Blastocyst Inner Cell Mass (also known as Inner Cell Mass of Blastocyst, Inner Cell Mass, Blastocyst): The cluster of cells inside a blastocyst. These cells give rise to the embryonic disc and eventual embryo proper. They are pluripotent EMBRYONIC STEM CELLS capable of yielding many but not all cell types in a developi

NIH MeSH · D053624Anatomy

Blastocyst Inner Cell Mass

Also known asInner Cell Mass of Blastocyst · Inner Cell Mass, Blastocyst

Definition

The cluster of cells inside a blastocyst. These cells give rise to the embryonic disc and eventual embryo proper. They are pluripotent EMBRYONIC STEM CELLS capable of yielding many but not all cell types in a developing organism.

MeSH classification

  • A16.254.500.533

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Related concepts

Blastocyst

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…

Common questions about Blastocyst Inner Cell Mass

What does Blastocyst Inner Cell Mass mean in medicine?
The cluster of cells inside a blastocyst. These cells give rise to the embryonic disc and eventual embryo proper. They are pluripotent EMBRYONIC STEM CELLS capable of yielding many but not all cell types in a developing organism. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Blastocyst Inner Cell Mass known by any other names?
Yes. Blastocyst Inner Cell Mass is also referred to as Inner Cell Mass of Blastocyst, Inner Cell Mass, Blastocyst in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Blastocyst Inner Cell Mass sit in the medical classification?
Blastocyst Inner Cell Mass falls under the broader medical category "Anatomy" in the MeSH hierarchy (tree numbers: A16.254.500.533). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Blastocyst Inner Cell Mass?
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Source: NIH MeSH 2026 (D053624) — National Library of Medicine, public domain. View official MeSH record ↗