Results 51 to 60 of about 14,850 (285)

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

Masticatory muscles pain and dysfunction [PDF]

open access: yesBalkan Journal of Dental Medicine
Masticatory muscles dysfunction is the most frequent damage to them that is encountered in everyday prosthetics. The most frequent type of muscle dysfunction can also be accompanied by limitation of the mobility of the mandible, and difficulty in chewing.
Qafmolla Alketa, Qafmolla Ruzhdie
doaj   +1 more source

Multi‐method analysis for the three‐dimensional reconstruction of muscle fascicles from DiceCT datasets

open access: yesThe Anatomical Record, EarlyView.
Abstract Muscle architecture is a major determinant of muscle performance and, in mammalian lineages, has been correlated with both feeding ecology and locomotor behaviors. Over the past decade, contrast‐enhanced micro‐CT (DiceCT) has emerged as an alternative to traditional dissection‐based measurement.
Aleksandra Ratkiewicz   +5 more
wiley   +1 more source

Assessment of prevalence study of 40 variables related to painful dysfunction syndrome of masticatory muscles in patients referred to faculty of dentistry in Mashhad, Northeast of Iran [PDF]

open access: yesIranian Journal of Otorhinolaryngology, 2010
Introduction: Painful dysfunction syndrome of masticatory muscles is one of the most important causes of pain in orofacial region. Therefore, the aim of this study was to evaluate the prevalency of 40 variables related to this disorder.
Hamed Mortazavi   +3 more
doaj  

Physical and anatomical characteristics of the masticatory muscles in camels (Camelus dromedarius) [PDF]

open access: yesIraqi Journal of Veterinary Sciences
The current study aims to understand the dynamics of the masticatory muscles during closure and opening actions and assess the functional architecture of the various chewing muscles in camels. Twelve healthy adult camel heads of different sexes and ages (
Saffanah K. Mahmood, Gamal M. Allouch
doaj   +1 more source

Relationship Between the Development and Growth of Cranial Bones and Masticatory Muscles in Postnatal Mice

open access: yes, 1981
Development and growth of cranial bones and masticatory muscles in postnatal mice, assessed by roentgenographic cephalometry and histochemistry, revealed that it corresponded to the attachment of the masticatory muscles, but not necessarily to growth ...
S. Nakata
core   +1 more source

Mandibular bone effects of botulinum toxin injections in masticatory muscles in adult

open access: yes, 2020
OBJECTIVE: Botulinum toxin (BTX) is injected into masticatory muscles to treat various conditions. Animal studies have demonstrated bone loss at the condylar and alveolar regions of the mandible after BTX injection into masticatory muscles.
Kahn, Alexis   +9 more
core   +1 more source

Cortical bone distribution in the human mandibular symphysis: Ontogenic and morphometric approaches in archeological context

open access: yesThe Anatomical Record, EarlyView.
Abstract The human mandibular symphysis concentrates multiaxial loads during function and remodels throughout growth, but the precise mechanisms underlying cortical bone shape during growth remain relatively unexplored. Approaches based solely on thickness or external cortical contours provide only partial insights and do not capture the functional ...
Ana Ribeiro   +3 more
wiley   +1 more source

Involvement of IL-1 in the Maintenance of Masseter Muscle Activity and Glucose Homeostasis. [PDF]

open access: yesPLoS ONE, 2015
Physical exercise reportedly stimulates IL-1 production within working skeletal muscles, but its physiological significance remains unknown due to the existence of two distinct IL-1 isoforms, IL-1α and IL-1β.
Ko Chiba   +9 more
doaj   +1 more source

Previously undocumented regional variability in crab‐eating macaque skull sexual dimorphism and its implications for biological and morphometric studies

open access: yesThe Anatomical Record, EarlyView.
Abstract In a large sample of adult crab‐eating macaques, we quantified sexual dimorphism in size, shape, and covariance across the whole skull and among anatomical regions of the cranium and mandible. All regions showed significant mean sex differences, but the magnitude of size and shape dimorphism varied substantially.
Andrea Cardini, Paul O'Higgins
wiley   +1 more source

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