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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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tissue go
part of an organism consisting of an aggregate of cells having a similar structure and function
part of an organism consisting of an aggregate of cells having a similar structure and function
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germ layer go
(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
ectoderm, exoderm, ectoblast
the outer germ layer that develops into skin and nervous tissue
the outer germ layer that develops into skin and nervous tissue
noun.animal
1 Subcategories
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neural tube go
a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop