Morula

An early embryo that is a compact mass of about 16 BLASTOMERES. It resembles a cluster of mulberries with two types of cells, outer cells and inner cells. Morula is the stage before BLASTULA in non-mammalian animals or a BLASTOCYST in mammals.

Year introduced: 1991(1980)

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Tree Number(s): A16.615

MeSH Unique ID: D009028

Entry Terms:

• Morulas

All MeSH Categories
Anatomy Category
Embryonic Structures
Morula