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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

isthmus

Main Entry:: isth·mus
Pronunciation:: \ˈis-məs\
Function:: noun

: a contracted anatomical part or passage connecting two larger structures or cavities: as a: an embryonic constriction separating the midbrain from the hindbrain b: the lower portion of the uterine corpus

Learn more about "isthmus" and related topics at Britannica.com

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