Results 121 to 130 of about 26,084 (311)

Quantitative assessment of masticatory muscles based on skull muscle attachment areas in Carnivora

open access: yesThe Anatomical Record, EarlyView.
Abstract Masticatory muscles are composed of the temporalis, masseter, and pterygoid muscles in mammals. Each muscle has a different origin on the skull and insertion on the mandible; thus, all masticatory muscles contract in different directions. Collecting in vivo data and directly measuring the masticatory muscles anatomically in various Carnivora ...
Kai Ito   +4 more
wiley   +1 more source

Quantifying shape and ecology in avian pedal claws: The relationship between the bony core and keratinous sheath

open access: yesEcology and Evolution, 2019
Terrestrial tetrapods use their claws to interact with their environments in a plethora of ways. Birds in particular have developed a diversity of claw shapes since they are often not bound to terrestrial locomotion and have heterogeneous body masses ...
Brandon P. Hedrick   +4 more
doaj   +1 more source

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

open access: yesThe Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source

Geometric morphometrics data

open access: yes, 2015
Geometric morphometrics data for Littorina ecotypes. Columns are sample, ecotype, population (island), population x ecotype. Columns with 'proc' are size adjusted procrustes coordinates. Columns with 'PC' are principle components.
Ravinet, Mark   +11 more
core   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Sexual dimorphism analysis in permanent human mandibular canines by geometric morphometrics

open access: yesRevista Argentina de Antropología Biológica
Sex estimation of unknown human remains is a common form of assessment in bioarchaeological and forensic practice. When remains are poorly preserved, teeth become important.
Gonzalo Garizoain, Virginia Cobos
doaj   +1 more source

Larval morphometrics, Svalbard, Experiment 1, Boreogadus saida

open access: yes, 2016
Larval morphometrics, Svalbard, Experiment 1, Boreogadus ...
Nahrgang, Jasmine   +11 more
core   +1 more source

Variation in parrot jaw musculature

open access: yesThe Anatomical Record, EarlyView.
Interspecific morphological differences in some superficial jaw muscles of parrots. Abstract Psittaciformes, the order encompassing parrots and their relatives, are highly diverse and generally known for having a strong beaks used for multiple behaviors. The muscles related to the masticatory apparatus should reflect this functional complexity; however,
Ana Carolina L. Faillace   +3 more
wiley   +1 more source

Morphometric Analysis of Actin Networks

open access: yesMolecular Biology of the Cell
Abstract The organization of cytoskeletal elements is pivotal for coordinating intracellular transport in eukaryotic cells. Several quantitative measures based on image analysis have been proposed to characterize morphometric features of fluorescently labeled actin networks.
Oghosa H. Akenuwa   +3 more
openaire   +2 more sources

Reference values for anterior chamber morphometrics with swept-source optical coherence tomography in a Caucasian population

open access: yes, 2018
Hellen CS Römkens, Henny JM Beckers, Jan SAG Schouten, Tos TJM Berendschot, Carroll AB Webers Department of Ophthalmology, Maastricht University Medical Center+, Maastricht, the Netherlands Purpose: The aim of this study is to generate reference ...
Römkens HC   +4 more
core  

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