| mesenteron | <anatomy> All that part of the alimentary canal which is developed from the primitive enteron and is lined with hypoblast. It is distinguished from the stomodum, a part at the anterior end of the canal, including the cavity of the mouth, and the proctodum, a part at the posterior end, which are formed by invagination and are lined with epiblast. Origin: NL. See Meso-, and Enteron. Source: Websters Dictionary (01 Mar 1998) |
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