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Summary Anatomy Item Literature (84) Expression Attributions Wiki

Anatomy Term: cleavage furrow
XAO ID: 0004492
Definition: "The physical groove that forms between cells at the first cell division. One-celled oocytes (NF stage 1) undergo cytoplasmic reorganization driven by sperm entry in the animal pole, where the cleavage furrow initiates, and it moves circumferentially along a line of longitude as well as progressing inwards through the cytoplasm, ultimately dividing the fertilized oocyte into two cells of equal size, defining NF stage 2."
Stage Range: mature egg stage to NF stage 1
Marker Genes:
Develops From:
Develops Into:

Parent(s): embryonic structure (is_a)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY