Pyloric sphincter
Sphincter pylori
- Latin synonym: Musculus sphincter pylori
Definition
At the pylorus the circular fibers of the muscular layer are most abundant, and are aggregated into a circular ring, which projects into the lumen, and forms, with the fold of mucous membrane covering its surface, the pyloric valve.
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/).
