Definition of Sphincter ani

1. Noun. The sphincter muscle of the anus.


Lexicographical Neighbors of Sphincter Ani

spherule
spherules
spherulite
spherulites
spherulitic
sphery
sphex
sphexes
sphexide
sphexides
sphexish
sphexishness
sphincter
sphincter-puppet
sphincter angularis
sphincter ani (current term)
sphincter ani tertius
sphincter antri
sphincter constrictor cardiae
sphincter intermedius
sphincter muscle
sphincter muscle of common bile duct
sphincter muscle of pancreatic duct
sphincter muscle of pupil
sphincter muscle of pylorus
sphincter oculi
sphincter of Oddi
sphincter of Oddi dysfunction

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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