WebTop layer consisting of sphincter colli and intermandibular pulled up. A = branchiohyoid B = geniohyoid. A = Intermandibular (top) B = Interhyoid (middle) C = Sphincter colli (bottom) Note: there is no clear distinction between the muscles. 1/2. cucullaris. Scapular deltoid. A = triceps B = pectorals ... WebM. Sphincter colli superficialis Transverse fibers in the superficial fascia of the ventral neck Cervical branch ( R. colli) of the facial n. Tenses and moves the ventral and lateral skin Auricular muscles M. cervicoauricularis superficialis Dorsal median raphe of the neck Dorsal(convex) surface of the auricular cartilage

Muscle - Tetrapod musculature Britannica

WebThe facial muscles of primates are derivates of sphincter colli profundus muscle and platysma myoides. A third superficial muscle layer which is present in primitive mammals is found as a rest in Tupaiiformes. The facial muscles of some Lemuriformes must be considered as a model from which originate … WebThey are usually attached to freely movable skin and are responsible for facial expressions. In this study we provide an account of the origin, homologies and evolution of the primate … moto x refurbished verizon

sphincter colli superficialis muscle - Ontology Browser

WebFeb 2, 2012 · Continuing the skin incision through the subcutaneous tissues, small transverse bundles of the sphincter colli superficialis muscle are identified and transected in the ventral midline. Retraction of the subcutaneous tissues exposes the mastoid part of the sternocephalicus muscles arising from the manubrium. Underlying the sternocephalicus ... WebExternal, furlined cheek pouches open lateral to and separate from the oral cavity, (also deep to M. platysma and M. sphincter colli profundus), and occur in all species of the families Geomyidae and Heteromyidae. The presence of external, furlined cheek pouches is a synapomorphy for the superfamily Geomyoidea. WebAug 16, 2016 · Radiographs revealed subcutaneous emphysema and bilateral thyrohyoid bone fractures. Intraoperatively, rupture of both sternohyoid muscles, both hyoepiglotticus muscles, both thyrohyoid muscles, and a partial cranial rupture of the superficial sphincter colli muscle were detected. Part of the epiglottis was detached from the thyroid cartilage. healthy me urinary tract infection test kit