1. The caudal or terminal part of the embryonic gut. 2. Descending and sigmoid colon, rectum and anal canal; some include entire large intestine. SYN: endgut.
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hind·gut -.gət n the posterior part of the embryonic alimentary canal
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n.
the back part of the embryonic gut, which gives rise to part of the large intestine, the rectum, bladder, and urinary ducts. See also cloaca.
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hind·gut (hīndґgut″) 1. the embryonic structure from which chiefly the colon is formed. 2. the posterior ectodermal portion of the alimentary tract of invertebrates, such as arthropods; it comprises an intestine and a rectum.Medical dictionary. 2011.