释义 |
sig·moid I. \ˈsigˌmȯid\ adjective also sig·moi·dal \(ˈ)sig|mȯidəl\ Etymology: sigmoid from Greek sigmoeidēs, from sigma + -oeidēs -oid; sigmoidal from Greek sigmoeidēs + English -al 1. a. : curved like the letter C b. : curved in two directions like the letter S 2. : relating to the sigmoid flexure of the intestine < the sigmoid artery branches from the inferior mesenteric > • sig·moi·dal·ly \-əlē\ adverb II. noun (-s) : a sigmoid bodily part; especially : sigmoid flexure |