Preferred Label : sphincter colli muscle;
Uberon synonym : sphincter colli;
Uberon Structure note : The m. sphincter in the head region can be divided into 2 layers: M. sphincter colli
profundus and superficialis; in studied placentals, the deepest layer has circular
fibers, while the superficial layer has oblique and longitudinal fibers. In non-mammalian
vertebrates (if differentiated) and in monotremes both the superficialis and the profundus
layers are circular ('sphincter') muscles (Shumacher, 1956; Saban, 1971).;
Origin ID : 0013635;
has part
