Anatomy [A] » Embryonic Structures [A16] » Embryo, Mammalian » Blastocyst
Description
A post-MORULA preimplantation mammalian embryo that develops from a 32-cell stage into a fluid-filled hollow ball of over a hundred cells. A blastocyst has two distinctive tissues. The outer layer of trophoblasts gives rise to extra-embryonic tissues. The inner cell mass gives rise to the embryonic disc and eventual embryo proper. MeSH
Hierarchy View
Subtype Terms (2)
Other Experimental Indicated Drugs (3)
Hierarchy Tree View
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