Definitions
from The Century Dictionary.
- noun In sea-anemones and similar polyps, the main digestive cavity or stomach; in Mollusca, the stomach and intestine. Compare
stomodæum and proctodæum. - noun In embryology, the interior of the archenteron or primitive intestine; the intestinal cavity in an early stage, bounded by the hypoblast.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Anat.) All that part of the alimentary canal which is developed from the primitive enteron and is lined with hypoblast. It is distinguished from the
stomodæum , a part at the anterior end of the canal, including the cavity of the mouth, and theproctodæum , a part at the posterior end, which are formed by invagination and are lined with epiblast.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The
midgut .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
meso- + enteron
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Examples
-
They finally appear to (? entirely) obliterate the segmentation cavity -- they certainly do so throughout the body; and their cavities are in time cut off from the mesenteron, by the gradual constriction of their openings.
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