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Definition of Sphincter ani
1. Noun. The sphincter muscle of the anus.
Group relationships: Anus
Generic synonyms: Anatomical Sphincter, Sphincter, Sphincter Muscle
Terms within: Musculus Sphincter Ani Externus, Musculus Sphincter Ani Internus
Lexicographical Neighbors of Sphincter Ani
Literary usage of Sphincter ani
Below you will find example usage of this term as found in modern and/or classical literature:
1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"Internal sphincter ani. Levator ani. The Corrugator Cutis Ani. ... The External
sphincter ani is a thin, flat plane of muscular fibres, elliptical in shape ..."
2. Anatomy, Descriptive and Applied by Henry Gray (1913)
"The sphincter ani externus (External sphincter ani) (Fig 513) is a flat plane of
... Its fibres surround the canal, closely applied to the sphincter ani ..."
3. The Journal of Physiology by Physiological Society (Great Britain). (1880)
"Dog; cord divided on previous day in the lower end of the dorsal region, rhythmical
movements of the sphincter ani numbered about 20 to 25 per minute, ..."
4. Operative gynecology by Harry Sturgeon Crossen (1917)
"Steps in Repair of Lacerated sphincter ani. When the sphincter ani muscle has
been torn through completely, the ends gradually separate more and more until, ..."
5. The Anatomy and Physiology of the Human Body by John Bell, Charles Bell (1829)
"The sphincter ani muscle is a broad circular band of fibres, which surrounds the
anus. It arises from the point of the os ..."
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