Definition of Musculus sphincter ani externus

1. Noun. An external ring of striated muscle surrounding the anus.




Medical Definition of Musculus sphincter ani externus

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)

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Lexicographical Neighbors of Musculus Sphincter Ani Externus

musculus semispinalis colli
musculus semispinalis dorsi
musculus semispinalis thoracis
musculus semitendinosus
musculus serratus anterior
musculus serratus magnus
musculus serratus posterior
musculus serratus posterior inferior
musculus serratus posterior superior
musculus skeleti
musculus soleus
musculus sphenosalpingostaphylinus
musculus sphincter
musculus sphincter ampullae hepatopancreaticae
musculus sphincter ani
musculus sphincter ani externus (current term)
musculus sphincter ani internus
musculus sphincter ductus choledochi
musculus sphincter ductus pancreatici
musculus sphincter pupillae
musculus sphincter pylori
musculus spinalis
musculus spinalis capitis
musculus spinalis cervicis
musculus spinalis colli

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