MeSH Browser

MeSH Heading: Ovum
Tree Number(s): A05.360.490.690; A11.497.497; A16.690
Unique ID: D010063
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D010063
Annotation: differentiate from EGGS (Cat J2); /‌transpl is not implantation ( = OVUM IMPLANTATION)
Scope Note: A mature haploid female germ cell extruded from the OVARY at OVULATION.
Entry Term(s): Egg; Egg, Unfertilized; Ova
See Also: Ovarian Follicle
Consider Also: consider also terms at OO-
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2007/07/09

Allowable Qualifiers: chemistry (CH)

classification (CL)

cytology (CY)

drug effects (DE)

enzymology (EN)

growth & development (GD)

immunology (IM)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

radiation effects (RE)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Concept UI: M0015608
Scope Note: A mature haploid female germ cell extruded from the OVARY at OVULATION.
Terms: Ovum Preferred Term
Term UI T029758
Date01/01/1999
LexicalTag NON
ThesaurusID; Egg
Term UI T029756
Date11/03/1999
LexicalTag NON
ThesaurusID NLM (1989); Ova
Term UI T029757
Date10/12/1989
LexicalTag NON
ThesaurusID NLM (1990); Egg, Unfertilized
Term UI T029759
Date01/08/1990
LexicalTag NON
ThesaurusID NLM (1991)

Ovum MeSH Descriptor Data 2025