释义 |
midgutenUK
mid·gut M0284200 (mĭd′gŭt′)n.1. The middle section of the digestive tract in a vertebrate embryo from which the ileum, jejunum, and portions of the duodenum and colon develop. Also called mesenteron.2. The middle portion of the digestive tract of certain invertebrates, such as arthropods, lined with an enzyme-secreting tissue and serving as the main site of digestion and absorption.midgut (ˈmɪdˌɡʌt) n1. (Zoology) the middle part of the digestive tract of vertebrates, including the small intestine2. (Zoology) the middle part of the digestive tract of arthropodsmid•gut (ˈmɪdˌgʌt) n. 1. a. the middle portion of the vertebrate alimentary canal, posterior to the stomach or gizzard and extending to the cecum; small intestine. b. the anterior portion of the arthropod colon. 2. the middle part of the embryonic alimentary canal, from which the intestines develop. Compare foregut, hindgut. [1870–75] TranslationsmidgutenUK
midgut[′mid‚gət] (embryology) The middle portion of the digestive tube in vertebrate embryos. Also known as mesenteron. (invertebrate zoology) The mesodermal intermediate part of an invertebrate intestine. midgutenUK
midgut [mid´gut] the region of the embryonic digestive tube into which the yolk sac opens; ahead of it is the foregut and caudal to it is the hindgut.mid·gut (mid'gŭt), 1. The central portion of the digestive tube; the distal duodenum, small intestine, and proximal colon. 2. The portion of the embryonic gut between the foregut and the hindgut, which originally is open to the yolk sac. mid·gut (mid'gŭt) 1. The central portion of the digestive tube; the distal duodenum, small intestine, and proximal colon. 2. The portion of the embryonic gut between the foregut and the hindgut that originally is open to the yolk sac. midgut the middle portion of the ALIMENTARY CANAL. |