pylorus

(pī lôr′əs)

noun pl. pylori

the opening, surrounded by muscular tissue, from the stomach into the duodenum, the first part of the small intestine

Origin: LL < Gr pylōros, gatekeeper < pylē, gate + ouros, watchman

Related Forms:

See pylorus in American Heritage Dictionary 4

noun pl. py·lo·ri (-lôrˈīˌ, -lōrˈīˌ)

The passage at the lower end of the stomach that opens into the duodenum.

Origin:

Origin: Late Latin pylōrus

Origin: , from Greek pulōros

Origin: : pulē, gate

Origin: + ouros, guard; see wer-³ in Indo-European roots

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