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Related to germ layer: germ layer theory
Any of three cellular layers, the ectoderm, endoderm, or mesoderm, into which most animal embryos differentiate and from which the organs and tissues of the body develop through further differentiation.
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|Noun||1.||germ layer - (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation|
embryonic tissue - tissue in an embryo
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
embryology - the branch of biology that studies the formation and early development of living organisms