MeSH Browser

MeSH Heading: Blastodisc
Tree Number(s): A16.331.042
Unique ID: D054239
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D054239
Scope Note: A small whitish spot on the surface of the EGG YOLK where cleavage begins. Upon fertilization the cytoplasm streams from the vegetal pole away from the yolk to the animal pole where cleavage will occur. This germinal area eventually flattens into a layer of cells (BLASTODERM) that covers the yolk completely.
Entry Term(s): Germinal Area; Germinal Disc
Previous Indexing: Chick Embryo (1964-2007)
Public MeSH Note: 2008
History Note: 2008
Date Established: 2008/01/01
Date of Entry: 2007/07/09
Revision Date: 1955/01/01

Allowable Qualifiers: abnormalities (AB)

anatomy & histology (AH)

blood supply (BS)

chemistry (CH)

cytology (CY)

diagnostic imaging (DG)

drug effects (DE)

embryology (EM)

enzymology (EN)

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)

Blastodisc MeSH Descriptor Data 2024