foregutn.
/ˈfɔːɡʌt/, U.S. /ˈfɔrˌɡət/ Zoology.
The first or anterior part of the digestive tube, esp. in an insect or an embryo.
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the world > animals > invertebrates > bodies or parts > [noun] > cavity corresponding to gullet
pharynx1826
foregut1875
1875 Amer. Naturalist 9 654 The digestive cavity is during the third day also, differentiated into the fore-gut and hind-gut.
1893 Trans. Amer. Entomol. Soc. 20 176 The fore-gut (œsophagus and crop) extends from the mouth to the second abdominal segment.
a1933 J. A. Thomson Biol. for Everyman (1934) II. 1314 The Invertebrate's fore-gut or stomodaeum corresponds merely to the front of our mouth.
1974 V. B. Mountcastle Med. Physiol. (ed. 13) II. xxxiii. 849/1 The primordia of the heart are contained in the mesoderm on either side of the foregut invagination of the mammalian embryo.
2001 G. C. McGavin Essent. Entomol. 44 The midgut epithelium of insects secretes a mucopolysaccharide layer..which envelops the food as it enters from the foregut.
This is a new entry (OED Third Edition, June 2007; most recently modified version published online June 2022).
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n.1875