Circular muscular layer of rectum
Stratum musculare circulare recti
- Latin synonym: Stratum circulare tunicae muscularis recti
- Synonym: Circular layer of muscular coat of rectum
- Related terms: Circular layer
Definition
The circular layer (circular fibers) form a thin layer over the cecum and colon, being especially accumulated in the intervals between the sacculi; in the rectum they form a thick layer, and in the anal canal they become numerous, and constitute the Sphincter ani internus.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
