1
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Taylor AB, Terhune CE, Ross CF, Vinyard CJ. The impact of measurement technique and sampling on estimates of skeletal muscle fibre architecture. Anat Rec (Hoboken) 2024. [PMID: 38406878 DOI: 10.1002/ar.25415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/12/2024] [Accepted: 02/12/2024] [Indexed: 02/27/2024]
Abstract
Skeletal muscle fibre architecture provides important insights into performance of vertebrate locomotor and feeding behaviours. Chemical digestion and in situ sectioning of muscle bellies along their lengths to expose fibres, fibre orientation and intramuscular tendon, are two classical methods for estimating architectural variables such as fibre length (Lf ) and physiological cross-sectional area (PCSA). It has recently been proposed that Lf estimates are systematically shorter and hence less accurate using in situ sectioning. Here we addressed this hypothesis by comparing Lf estimates between the two methods for the superficial masseter and temporalis muscles in a sample of strepsirrhine and platyrrhine primates. Means or single-specimen Lf estimates using chemical digestion were greater in 17/32 comparisons (53.13%), indicating the probability of achieving longer fibres using chemical digestion is no greater than chance in these taxonomic samples. We further explored the impact of sampling on scaling of Lf and PCSA in platyrrhines applying a bootstrapping approach. We found that sampling-both numbers of individuals within species and representation of species across the clade significantly influence scaling results of Lf and PCSA in platyrrhines. We show that intraspecific and clade sampling strategies can account for differences between previously published platyrrhine scaling studies. We suggest that differences in these two methodological approaches to assessing muscle architecture are relatively less consequential when estimating Lf and PCSA for comparative studies, whereas achieving more reliable estimates within species through larger samples and representation of the full clade space are important considerations in comparative studies of fibre architecture and scaling.
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Affiliation(s)
- Andrea B Taylor
- Department of Foundational Biomedical Sciences, Touro University California, Vallejo, California, USA
| | - Claire E Terhune
- Department of Anthropology, University of Arkansas, Fayetteville, Arkansas, USA
| | - Callum F Ross
- Department of Organismal Biology and Anatomy, The University of Chicago, Chicago, Illinois, USA
| | - Christopher J Vinyard
- Biomedical Sciences, Ohio University-Heritage College of Osteopathic, Medicine, Athens, Ohio, USA
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2
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Ross CF, Laurence-Chasen JD, Li P, Orsbon C, Hatsopoulos NG. Biomechanical and Cortical Control of Tongue Movements During Chewing and Swallowing. Dysphagia 2024; 39:1-32. [PMID: 37326668 PMCID: PMC10781858 DOI: 10.1007/s00455-023-10596-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Tongue function is vital for chewing and swallowing and lingual dysfunction is often associated with dysphagia. Better treatment of dysphagia depends on a better understanding of hyolingual morphology, biomechanics, and neural control in humans and animal models. Recent research has revealed significant variation among animal models in morphology of the hyoid chain and suprahyoid muscles which may be associated with variation in swallowing mechanisms. The recent deployment of XROMM (X-ray Reconstruction of Moving Morphology) to quantify 3D hyolingual kinematics has revealed new details on flexion and roll of the tongue during chewing in animal models, movements similar to those used by humans. XROMM-based studies of swallowing in macaques have falsified traditional hypotheses of mechanisms of tongue base retraction during swallowing, and literature review suggests that other animal models may employ a diversity of mechanisms of tongue base retraction. There is variation among animal models in distribution of hyolingual proprioceptors but how that might be related to lingual mechanics is unknown. In macaque monkeys, tongue kinematics-shape and movement-are strongly encoded in neural activity in orofacial primary motor cortex, giving optimism for development of brain-machine interfaces for assisting recovery of lingual function after stroke. However, more research on hyolingual biomechanics and control is needed for technologies interfacing the nervous system with the hyolingual apparatus to become a reality.
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Affiliation(s)
- Callum F Ross
- Department of Organismal Biology & Anatomy, The University of Chicago, 1027 East 57th St, Chicago, IL, 60637, USA.
| | - J D Laurence-Chasen
- National Renewable Energy Laboratory, National Renewable Energy Laboratory, Golden, Colorado, USA
| | - Peishu Li
- Department of Organismal Biology & Anatomy, The University of Chicago, 1027 East 57th St, Chicago, IL, 60637, USA
| | - Courtney Orsbon
- Department of Radiology, University of Vermont Medical Center, Burlington, USA
| | - Nicholas G Hatsopoulos
- Department of Organismal Biology & Anatomy, The University of Chicago, 1027 East 57th St, Chicago, IL, 60637, USA
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3
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Laitman JT, Smith HF. Bats of all types fly through the pages of The Anatomical Record in a novel special issue. Anat Rec (Hoboken) 2023; 306:2657-2659. [PMID: 37746823 DOI: 10.1002/ar.25325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/26/2023]
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4
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Stanchak KE, Faure PA, Santana SE. Ontogeny of cranial musculoskeletal anatomy and its relationship to allometric increase in bite force in an insectivorous bat (Eptesicus fuscus). Anat Rec (Hoboken) 2023; 306:2842-2852. [PMID: 37005737 DOI: 10.1002/ar.25213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 04/04/2023]
Abstract
Bite force is a performance metric commonly used to link cranial morphology with dietary ecology, as the strength of forces produced by the feeding apparatus largely constrains the foods an individual can consume. At a macroevolutionary scale, there is evidence that evolutionary changes in the anatomical elements involved in producing bite force have contributed to dietary diversification in mammals. Much less is known about how these elements change over postnatal ontogeny. Mammalian diets drastically shift over ontogeny-from drinking mother's milk to feeding on adult foods-presumably with equally drastic changes in the morphology of the feeding apparatus and bite performance. Here, we investigate ontogenetic morphological changes in the insectivorous big brown bat (Eptesicus fuscus), which has an extreme, positive allometric increase in bite force during development. Using contrast-enhanced micro-computed tomography scans of a developmental series from birth to adult morphology, we quantified skull shape and measured skeletal and muscular parameters directly related to bite force production. We found pronounced changes in the skull over ontogeny, including a large increase in the volume of the temporalis and masseter muscles, and an expansion of the skull dome and sagittal crest that would serve to increase the temporalis attachment area. These changes indicate that development of the jaw adductors play an important role in the development of biting performance of these bats. Notably, static bite force increases with positive allometry with respect to all anatomical measures examined, suggesting that modifications in biting dynamics and/or improved motor coordination also contribute to increases in biting performance.
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Affiliation(s)
| | - Paul A Faure
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
| | - Sharlene E Santana
- Department of Biology, University of Washington, Seattle, USA
- Department of Mammalogy, Burke Museum of Natural History and Culture, Seattle, Western Australia, USA
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5
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Dickinson E, Hartstone-Rose A. Behavioral correlates of fascicular organization: The confluence of muscle architectural anatomy and function. Anat Rec (Hoboken) 2023. [PMID: 36880440 DOI: 10.1002/ar.25187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/20/2023] [Accepted: 02/16/2023] [Indexed: 03/08/2023]
Abstract
Muscle is a complex tissue that has been studied on numerous hierarchical levels: from gross descriptions of muscle organization to cellular analyses of fiber profiles. In the middle of this space between organismal and cellular biology lies muscle architecture, the level at which functional correlations between a muscle's internal fiber organization and contractile abilities are explored. In this review, we summarize this relationship, detail recent advances in our understanding of this form-function paradigm, and highlight the role played by The Anatomical Record in advancing our understanding of functional morphology within muscle over the past two decades. In so doing, we honor the legacy of Editor-in-Chief Kurt Albertine, whose stewardship of the journal from 2006 through 2020 oversaw the flourishing of myological research, including numerous special issues dedicated to exploring the behavioral correlates of myology across diverse taxa. This legacy has seen the The Anatomical Record establish itself as a preeminent source of myological research, and a true leader within the field of comparative anatomy and functional morphology.
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Affiliation(s)
- Edwin Dickinson
- Department of Anatomy, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, New York, USA
| | - Adam Hartstone-Rose
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
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6
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Dickinson E, Pastor F, Santana SE, Hartstone-Rose A. Functional and ecological correlates of the primate jaw abductors. Anat Rec (Hoboken) 2021; 305:1245-1263. [PMID: 34505739 DOI: 10.1002/ar.24772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 01/08/2023]
Abstract
While the adductor musculature of the primate jaw has been extensively analyzed within the context of dietary and social ecology, little is known about the corresponding muscles of jaw abduction. Nonetheless, these muscles significantly contribute to a species' maximum gape potential, and thus might constrain dietary niche diversity and impact social display behaviors. In this study, we quantify the architectural properties of the digastric (a jaw abductor) and lateral pterygoid (a jaw abductor and anterior translator) across a broad sample of male and female anthropoid primates. We test the hypothesis that the abductor musculature reflects specialization to dietary and behavioral ecology. Our sample comprises 14 catarrhine and 13 platyrrhine species spanning a wide range of dietary and social categories. All specimens were sharp dissected and muscles subsequently chemically digested using a standardized protocol. Our findings demonstrate that relative fascicle lengths within the lateral pterygoid (but not the digastric) are significantly greater within species that habitually consume larger food items. Meanwhile, canine length is more strongly associated with fascicle lengths in the digastric than in the lateral pterygoid, particularly within males. Neither dietary mechanical resistance nor the intensity of social competition relates to the size or architectural properties of the jaw abductors. These findings suggest that dietary-and to a lesser extent, socioecological-aspects of a primate's life history may be reflected in the architecture of these muscles, albeit to varying degrees. This underlines the importance of considering the complete masticatory apparatus when interpreting the evolution of the primate jaw.
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Affiliation(s)
- Edwin Dickinson
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Francisco Pastor
- Departamento de Anatomia y Radiologia, Universidad de Valladolid, Valladolid, Spain
| | - Sharlene E Santana
- Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Seattle, Washington, USA
| | - Adam Hartstone-Rose
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
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7
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Leonard KC, Worden N, Boettcher ML, Dickinson E, Hartstone-Rose A. Effects of long-term ethanol storage on muscle architecture. Anat Rec (Hoboken) 2021; 305:184-198. [PMID: 33843155 DOI: 10.1002/ar.24638] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/03/2021] [Accepted: 03/05/2021] [Indexed: 12/28/2022]
Abstract
Muscle excursion and force potential can be estimated from architectural variables, including mass, volume, fascicle length, and density. These have been collected from fresh specimens, preserved specimens, and sometimes mixed samples of both. However, preservation alters the gross morphology of muscles. This study aims to quantify the effects of long-term storage on myological properties across a sample of fresh and ethanol preserved Mus musculus specimens ranging in storage time from 16 to 130 years. Masses, volumes, and densities of biceps femoris, quadriceps femoris, and triceps surae were measured, and histological cross-sections of some specimens were used to evaluate the microscale effects of long-term fluid preservation. For the remainder of the sample, chemically dissected fascicle lengths were measured to evaluate the fixation effects on the linear dimensions of muscle architecture. Relative muscle mass, volume, fascicle length, average fiber area, and density, and percent fiber area were regressed against years stored in ethanol. Muscle size dropped steeply between fresh and stored samples, ultimately decreasing by 62 and 60%, respectively. These losses correlate with histologically measured shrinking of average muscle fiber area. Density of stored specimens plateaued 5% below that of fresh ones. Although muscles lost mass and volume during ethanol storage, fascicle lengths did not shorten significantly (presumably because they were preserved attached on either end to bone). This study demonstrates that muscle mass, volume, and density of specimens stored long-term in ethanol should be corrected by factors of 2.64, 2.49, and 1.054 respectively for comparability to fresh specimens.
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Affiliation(s)
- Kaitlyn C Leonard
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA.,Department of Biological Sciences, Meredith College, Raleigh, North Carolina, USA
| | - Nikole Worden
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Marissa L Boettcher
- College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Edwin Dickinson
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Adam Hartstone-Rose
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
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8
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Brassard C, Merlin M, Monchâtre-Leroy E, Guintard C, Barrat J, Garès H, Larralle A, Triquet R, Houssin C, Callou C, Cornette R, Herrel A. Masticatory system integration in a commensal canid: interrelationships between bones, muscles and bite force in the red fox. J Exp Biol 2021; 224:jeb.224394. [DOI: 10.1242/jeb.224394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 01/28/2021] [Indexed: 12/20/2022]
Abstract
ABSTRACT
The jaw system in canids is essential for defence and prey acquisition. However, how it varies in wild species in comparison with domestic species remains poorly understood, yet is of interest in terms of understanding the impact of artificial selection. Here, we explored the variability and interrelationships between the upper and lower jaws, muscle architecture and bite force in the red fox (Vulpes vulpes). We performed dissections and used 3D geometric morphometric approaches to quantify jaw shape in 68 foxes. We used a static lever model and bite force estimates were compared with in vivo measurements of 10 silver foxes. Our results show strong relationships exist between cranial and mandible shape, and between cranial or mandible shape on the one hand and muscles or estimated bite force on the other hand, confirming the strong integration of the bony and muscular components of the jaw system. These strong relationships are strongly driven by size. The functional links between shape and estimated bite force are stronger for the mandible, which probably reflects its greater specialisation towards biting. We then compared our results with data previously obtained for dogs (Canis lupus familiaris) to investigate the effect of domestication. Foxes and dogs differ in skull shape and muscle physiological cross-sectional area (PCSA). They show a similar amount of morphological variation in muscle PCSA, but foxes show lower variation in cranial and mandible shape. Interestingly, the patterns of covariation are not stronger in foxes than in dogs, suggesting that domestication did not lead to a disruption of the functional links of the jaw system.
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Affiliation(s)
- Colline Brassard
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
- Archéozoologie, archéobotanique: sociétés, pratiques et environnements (AASPE), Muséum national d'Histoire naturelle, CNRS, CP55, 57 rue Cuvier, 75005 Paris, France
| | - Marilaine Merlin
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
| | - Elodie Monchâtre-Leroy
- ANSES, Laboratoire de la rage et de la faune sauvage, Station expérimentale d'Atton, CS 40009, 54220 Malzéville, France
| | - Claude Guintard
- Laboratoire d'Anatomie comparée, Ecole Nationale Vétérinaire, de l'Agroalimentaire et de l'Alimentation, Nantes Atlantique – ONIRIS, Nantes Cedex 03, France
- GEROM, UPRES EA 4658, LABCOM ANR NEXTBONE, Faculté de santé de l'Université d'Angers, 49933 Angers Cedex, France
| | - Jacques Barrat
- ANSES, Laboratoire de la rage et de la faune sauvage, Station expérimentale d'Atton, CS 40009, 54220 Malzéville, France
| | - Hélène Garès
- Direction des Services Vétérinaires – D.D.C.S.P.P. de la Dordogne, 24000 Périgueux, France
| | | | - Raymond Triquet
- Université de Lille III, Domaine Universitaire du Pont de Bois BP 60149, Villeneuve d'ascq Cedex 59653, France
| | - Céline Houssin
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum national d'Histoire naturelle, Sorbonne Université, Ecole Pratique des hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Cécile Callou
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
| | - Raphaël Cornette
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS, Muséum national d'Histoire naturelle, Sorbonne Université, Ecole Pratique des hautes Etudes, Université des Antilles, CNRS, CP 50, 57 rue Cuvier, 75005 Paris, France
| | - Anthony Herrel
- Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle, CNRS, 55 rue Buffon 75005, Paris, France
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9
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Abstract
Physiological cross-sectional area (PCSA), an important biomechanical variable, is an estimate of a muscle's contractile force potential and is derived from dividing muscle mass by the product of a muscle's average fascicle length and a theoretical constant representing the density of mammalian skeletal muscle. This density constant is usually taken from experimental studies of small samples of several model taxa using tissues collected predominantly from the lower limbs of adult animals. The generalized application of this constant to broader analyses of mammalian myology assumes that muscle density (1) is consistent across anatomical regions and (2) is unaffected by the aging process. To investigate the validity of these assumptions, we studied muscles of rabbits (Oryctolagus cuniculus) in the largest sample heretofore investigated explicitly for these variables, and we did so from numerous anatomical regions and from three different age-cohorts. Differences in muscle density and histology as a consequence of age and anatomical region were evaluated using Tukey's HSD tests. Overall, we observed that older individuals tend to have denser muscles than younger individuals. Our findings also demonstrated significant differences in muscle density between anatomic regions within the older cohorts, though none in the youngest cohort. Approximately 50% of the variation in muscle density can be explained histologically by the average muscle fiber area and the average percent fiber area. That is, muscles with larger average fiber areas and a higher proportion of fiber area tend to be denser. Importantly, using the age and region dependent measurements of muscle density that we provide may increase the accuracy of PCSA estimations. Although we found statistically significant differences related to ontogeny and anatomical region, if density cannot be measured directly, the specific values presented herein should be used to improve accuracy. If a single muscle density constant that has been better validated than the ones presented in the previous literature is preferred, then 1.0558 and 1.0502 g/cm3 would be reasonable constants to use across all adult and juvenile muscles respectively.
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Dickinson E, Kolli S, Schwenk A, Davis CE, Hartstone‐Rose A. DiceCT Analysis of the Extreme Gouging Adaptations Within the Masticatory Apparatus of the Aye‐Aye (
Daubentonia madagascariensis
). Anat Rec (Hoboken) 2019; 303:282-294. [DOI: 10.1002/ar.24303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 10/03/2019] [Accepted: 10/05/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Edwin Dickinson
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Shruti Kolli
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Alysa Schwenk
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Cassidy E. Davis
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Adam Hartstone‐Rose
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
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11
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Leonard KC, Boettcher ML, Dickinson E, Malhotra N, Aujard F, Herrel A, Hartstone‐Rose A. The Ontogeny of Masticatory Muscle Architecture in
Microcebus murinus. Anat Rec (Hoboken) 2019; 303:1364-1373. [DOI: 10.1002/ar.24259] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 07/01/2019] [Accepted: 07/04/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Kaitlyn C. Leonard
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Marissa L. Boettcher
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Edwin Dickinson
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Neha Malhotra
- University of South Carolina School of Medicine Columbia South Carolina
| | | | | | - Adam Hartstone‐Rose
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
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12
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Monrroy GA, Reyes‐Amaya N, Jerez A. Postnatal cranial ontogeny of the Greater Bulldog Bat
Noctilio leporinus
(Chiroptera: Noctilionidae). ACTA ZOOL-STOCKHOLM 2019. [DOI: 10.1111/azo.12309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Ginna A. Monrroy
- Laboratorio de Ecología Evolutiva, Departamento de Biología, Facultad de Ciencias Universidad Nacional de Colombia Bogotá Colombia
| | - Nicolás Reyes‐Amaya
- Unidad Ejecutora Lillo (CONICET ‐ Fundación Miguel Lillo) San Miguel de Tucumán Argentina
| | - Adriana Jerez
- Laboratorio de Ecología Evolutiva, Departamento de Biología, Facultad de Ciencias Universidad Nacional de Colombia Bogotá Colombia
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13
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Dickinson E, Basham C, Rana A, Hartstone‐Rose A. Visualization and Quantification of Digitally Dissected Muscle Fascicles in the Masticatory Muscles of
Callithrix jacchus
Using Nondestructive DiceCT. Anat Rec (Hoboken) 2019; 302:1891-1900. [DOI: 10.1002/ar.24212] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/26/2019] [Accepted: 03/27/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Edwin Dickinson
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
| | - Colin Basham
- Department of Mechanical, Aerospace, and Biomedical Engineering University of Tennessee Knoxville Tennessee
| | | | - Adam Hartstone‐Rose
- Department of Biological Sciences North Carolina State University Raleigh North Carolina
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Celeita JS, Reyes‐Amaya N, Jerez A. Comparative hindlimb bone morphology in noctilionid fisher bats (Chiroptera: Noctilionidae), with emphasis on
Noctilio leporinus
postnatal development. ACTA ZOOL-STOCKHOLM 2018. [DOI: 10.1111/azo.12276] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Nicolás Reyes‐Amaya
- Unidad Ejecutora Lillo (CONICET – Fundación Miguel Lillo) San Miguel de Tucumán Argentina
| | - Adriana Jerez
- Laboratorio de Ecología Evolutiva, Departamento de BiologíaUniversidad Nacional de Colombia Bogotá Colombia
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Hartstone-Rose A, Santana SE. Behavioral Correlates of Cranial Muscle Functional Morphology. Anat Rec (Hoboken) 2018; 301:197-201. [PMID: 29330957 DOI: 10.1002/ar.23757] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 11/30/2017] [Accepted: 12/18/2017] [Indexed: 01/24/2023]
Abstract
This issue of the Anatomical Record is the first of a two-volume set that focuses on new investigations into behavioral correlates of muscle functional morphology. Much of the research on functional morphology and adaptation to specific functional niches focuses on the shapes of hard-tissues-bones and teeth. Investigations into soft-tissue anatomy tend to be predominantly descriptive with only brief allusion to ontogenetic or evolutionary origins of structures. When muscles are included in analyses of functional systems, their function tends to be oversimplified-usually considered a simple force vector connecting two osteological points, with the force treated as a constant derived from some simple calculation of muscle size. The goal of these special issues is to present a series of studies that take a more elaborate look at how muscles can be viewed from a functional perspective in studies searching for morphological correlates of behavior. This first volume focuses on the behavioral correlates of cranial muscles-starting with a paper about the mimetic musculature of primates and ending with a series of papers on the masticatory muscles of many lineages of vertebrates. The next issue of the Anatomical Record (March 2018) includes our papers on the behavioral correlates of postcranial muscles. Taken together, we hope you agree that this series presents valuable insights into these form/function relationships using both traditional approaches+ and cutting-edge techniques. Anat Rec, 301:197-201, 2018. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- Adam Hartstone-Rose
- College of Sciences, North Carolina State University, Raleigh, North Carolina
| | - Sharlene E Santana
- Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Kincaid Hall, Seattle, Washington
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16
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Santana SE. Comparative Anatomy of Bat Jaw Musculature via Diffusible Iodine‐Based Contrast‐Enhanced Computed Tomography. Anat Rec (Hoboken) 2018; 301:267-278. [DOI: 10.1002/ar.23721] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 07/31/2017] [Accepted: 08/24/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Sharlene E. Santana
- Department of Biology and Burke Museum of Natural History and CultureUniversity of WashingtonSeattle Washington, 98125
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