pyloric sphincter

noun

Medical Definition of pyloric sphincter

: the circular fold of mucous membrane containing a ring of circularly disposed muscle fibers that closes the vertebrate pylorus

called also pyloric valve

Learn More About pyloric sphincter

Dictionary Entries Near pyloric sphincter

pyloric glands

pyloric sphincter

pyloric stenosis

See More Nearby Entries 

Cite this Entry

“Pyloric sphincter.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pyloric%20sphincter. Accessed 2 Oct. 2022.

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