The sphincter colli superficialis is composed of transverse muscle fibers, and covers the entire area between the lower jaw and chest. The muscle is used to tighten the skin on the underside of the throat. [ ]

Synonyms: sphincter colli superficialis M. sphincter colli superficialis

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Term information

dubious for taxon



present in taxon

taxon notes

M. sphincter colli superficialis is present in Lagomorpha but absent in Rodentia (Meinertz, 1941, 1942; Ryan, 1989; Rinker, 1954). Some errouneous references of this muscle in rodents (e.g., Bezuidenhout and Evans, 2005) are due to decussating fibers of the deep sphincter, which creates a false superficial sphincter (Ryan, 1989)

Term relations