Results 61 to 70 of about 76,043 (306)

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Dimensional Analysis of Intertubercular Sulcus in Adult Dry Humeri: A Cross-sectional Study [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery
Introduction: Intertubercular Sulcus (ITS) is a depression in the superior end of humerus, located between the greater tubercle and lesser tubercle. It lodges the Long Head of Biceps Brachii Tendon (LHBT) and ascending branch of circumflex humeral artery.
R Showri, S Sangeetha, B Anisha
doaj   +1 more source

New partial skeleton of Homo habilis from the upper Burgi Member, Koobi Fora Formation, Ileret, Kenya

open access: yesThe Anatomical Record, EarlyView.
Abstract KNM‐ER 64061 is a partial skeleton from the upper Burgi Member of the Koobi Fora Formation (2.02–2.06 Ma) associated taphonomically and geochemically with a nearly complete mandibular dentition (KNM‐ER 64060) attributed to Homo habilis.
Frederick E. Grine   +8 more
wiley   +1 more source

The Supratrochlear Foramen in Iron Age Humerus Remains from Iran: A Paleoepidemiological Case Report [PDF]

open access: yesIranian Journal of Medical Sciences
The supratrochlear foramen of the humerus (septal aperture) refers to the absence of the septum between the coronoid and olecranon fossae at the distal end of the humerus.
Jafar Rezaian, Mohammad Reza Namavar
doaj   +1 more source

The skeleton of the green Iguana iguana (Squamata: Iguanidae) and its intraspecific morphological variation

open access: yesThe Anatomical Record, EarlyView.
Abstract The green iguana (Iguana iguana) is an iguanine lizard with herbivorous and arboreal habits, whose distribution spans through South America, Central America to the south of North America. Although the genus Iguana is well‐known, the species still lacks a comprehensive and up‐to‐date anatomical study, particularly addressing the axial skeleton,
Vieno Rosa   +2 more
wiley   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

The Effects of Methenolone Enanthate Supplement with Exercise on Rats’ Bones

open access: yesTürk Spor ve Egzersiz Dergisi, 2019
It is known that anabolic steroids are used by athletes to increase their performance and cause many health problems. This study aims to analyze the effects of methenolone enanthate supplement with exercise on rats’ bones.
Mehmet Özdemir, Sefa Lök
doaj   +1 more source

Comparative cranial biomechanics reveal macroevolutionary trends in theropod dinosaurs, with emphasis on Tyrannosauroidea

open access: yesThe Anatomical Record, EarlyView.
Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom   +4 more
wiley   +1 more source

Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques

open access: yesRevue de Primatologie, 2011
The insularity of Madagascar allowed an important endemic fauna to develop. We can recognize subfossil lemurs, less mineralized than the fossils. They are much larger than the extant ones. They are found in sites dated to the Late Quaternary 26 000 years
Beby Ramanivosoa
doaj   +1 more source

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