MeSH Browser

MeSH Heading: Gastrula
Tree Number(s): A16.441
Unique ID: D005775
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D005775
Scope Note: The developmental stage that follows BLASTULA or BLASTOCYST. It is characterized by the morphogenetic cell movements including invagination, ingression, and involution. Gastrulation begins with the formation of the PRIMITIVE STREAK, and ends with the formation of three GERM LAYERS, the body plan of the mature organism.
Entry Term(s): Archenteron; Blastopore; Gastrocoele; Primitive Gut
Previous Indexing: specific organism/EM (1966-1979)
Public MeSH Note: 80
History Note: 80
Date Established: 1980/01/01
Date of Entry: 1979/04/17
Revision Date: 2015/04/24

Allowable Qualifiers: abnormalities (AB)

anatomy & histology (AH)

blood supply (BS)

chemistry (CH)

cytology (CY)

diagnostic imaging (DG)

drug effects (DE)

embryology (EM)

enzymology (EN)

growth & development (GD)

immunology (IM)

injuries (IN)

innervation (IR)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

physiopathology (PP)

radiation effects (RE)

surgery (SU)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Gastrula MeSH Descriptor Data 2025