Term: blastomere contractile ring
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
Name: blastomere
Synonyms: blastomeres
Definition: Cell that arises during cleavage and is partially cleaved, and located at the blastodisc margin prior to collectively forming the yolk syncytial layer (YSL) in the midblastula.
Ontology: Anatomy Ontology [ZFA:0000093]
Name: contractile ring
Synonyms: constriction ring, cytokinetic ring
Definition: A cytoskeletal structure composed of filamentous protein that forms beneath the membrane of many cells or organelles, in the plane of cell or organelle division. Ring contraction is associated with centripetal growth of the membrane that divides the cytoplasm of the two daughter cells or organelles.
Ontology: GO: Cellular Component [GO:0070938]    QuickGO    AmiGO