archentera
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archentera — n. primitive intestines (Embryology) … English contemporary dictionary
archenteron — archenteric /ahr keuhn ter ik/, adj. /ahr ken teuh ron /, n., pl. archentera / teuhr euh/. Embryol. the primitive enteron or digestive cavity of a gastrula. Also called primitive gut. [1875 80; ARCH 2 + ENTERN] * * * … Universalium