GERM LAYER
Dictionary entry overview: What does germ layer mean? • GERM LAYER (noun)
The noun GERM LAYER has 1 sense:
1. (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
Familiarity information: GERM LAYER used as a noun is very rare.
Dictionary entry details
• GERM LAYER (noun)
Meaning:
(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
Classified under:
Nouns denoting animals
Hypernyms ("germ layer" is a kind of...):
embryonic tissue (tissue in an embryo)
Domain category:
embryology (the branch of biology that studies the formation and early development of living organisms)
Hyponyms (each of the following is a kind of "germ layer"):
ectoblast; ectoderm; exoderm (the outer germ layer that develops into skin and nervous tissue)
mesoblast; mesoderm (the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue)
endoblast; endoderm; entoblast; entoderm; hypoblast (the inner germ layer that develops into the lining of the digestive and respiratory systems)
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