stomodaeumstomodeumn.
/stɒmə(ʊ)ˈdiːəm/ Embryology and Zoology.
The anterior portion of the digestive tract, beginning as an invagination of the epiblast.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > digestive tract
cloaca1726
proctodeum1876
stomodaeum1876
mesenteron1877
stomatodaeum1887
1876 E. R. Lankester in Q. Jrnl. Microsc. Sci. XVI. 64 A second invagination forms the true mouth and the stomodæum. [Foot-note] This term and its correlative ‘proctodæum’ I propose for the oral and anal invaginations.
1900 G. C. Bourne in Ray Lankester's Treat. Zool. ii. Anthozoa 7 The elongation of the mouth and stomodaeum confers a bilateral symmetry on the Anthozoan zooid.
Derivatives
stomodaeal adj. /stɒmə(ʊ)ˈdiːəl/ (also stomodeal) belonging to or constituting a stomodæum.
/stɒmə(ʊ)ˈdiːəl/ (also stomodeal) belonging to or constituting a stomodæum.ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [adjective] > digestive tract
proctodeal1877
stomodaeal1883
stomatodaeal1893
1883 E. R. Lankester in Encycl. Brit. XVI. 637/1 (Mollusca) Both behind and before the stomodæal invagination.
1892 E. B. Wilson in Jrnl. Morphol. 6 418 The stomodæal arc rapidly enlarges.
1892 E. B. Wilson in Jrnl. Morphol. 6 418 The stomodæal glands.
This entry has not yet been fully updated (first published 1917; most recently modified version published online June 2019).
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n.1876