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Summary Anatomy Item Literature (0) Expression Attributions Wiki
XB-ANAT-4162

Anatomy Term: gray crescent
XAO ID: 0006018
Synonyms: dorsal crescent
Definition: "A light gray region on the dorsal surface of a fertilized oocyte. It is fully formed by the beginning of the first cleavage, and forms as a result of cortical rotation of the intermal cytoplasm and occurs opposite the sperm entry point. It is later the site where the Spemann organizer will form at the gastrula stage."
Stage Range: NF stage 1 to NF stage 1
Marker Genes:
Antibody:
Develops From:
  		Develops Into:
 
 

Parent(s): cell part (is_a) zygote (part_of)

 


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY