English dictionary
hypoblast
/'h/aI/p/@/,bl/&/st/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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the inner germ layer that develops into the lining of the digestive and respiratory systems
Source: WordNet 3.0
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The inner or lower layer of the blastoderm; -- called also <i>endoderm</i>, <i>entoderm</i>, and sometimes <i>hypoderm</i>. See <i>Illust.</i> of <u>Blastoderm</u>, <u>Delamination</u>, and <u>Ectoderm</u>.
Source: webster1913