Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Morula MeSH Descriptor Data 2025


MeSH Heading
Morula
Tree Number(s)
A16.615
Unique ID
D009028
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009028
Scope Note
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.
Public MeSH Note
91; was see under CLEAVAGE STAGE, OVUM 1980-90
History Note
91(80); was see under CLEAVAGE STAGE, OVUM 1980-90
Date Established
1991/01/01
Date of Entry
1979/04/17
Revision Date
2007/07/09
Morula Preferred
page delivered in 0.13s