Medical Definition of External sphincter muscle of anus

1. A fusiform ring of striated muscular fibres surrounding the anus, attached posteriorly to the coccyx and anteriorly to the central tendon of the perineum; it is subdivided, often indistinctly, into a subcutaneous part, a superficial part and a deep part for descriptive purposes. Synonym: musculus sphincter ani externus, external sphincter muscle of anus. (05 Mar 2000)

Lexicographical Neighbors of External Sphincter Muscle Of Anus

external pyocephalus
external radiation
external radiation therapy
external respiration
external respiration
external respiratory nerve of Bell
external salivary gland
external saphenous nerve
external secretion
external semilunar fibrocartilage
external sheath of optic nerve
external spermatic artery
external spermatic fascia
external spermatic nerve
external sphincterotomy
external sphincter muscle of anus (current term)
external spiral sulcus
external squint
external storage
external strabismus
external surface
external surface of frontal bone
external surface of parietal bone
external traction
external urethral orifice
external urethral sphincter
external wall of cochlear duct
externat
externats
externe

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