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: | actomyosin contractile ring |
---|---|
Synonyms: | actomyosin ring, CAR, constriction ring, contractile actomyosin ring, cytokinetic ring |
Definition: | A cytoskeletal structure composed of actin filaments and myosin that forms beneath the plasma membrane of many cells, including animal cells and yeast cells, in a plane perpendicular to the axis of the spindle, i.e. the cell division plane. In animal cells, the contractile ring is located at the cleavage furrow. In budding fungal cells, e.g. mitotic S. cerevisiae cells, the contractile ring forms at the mother-bud neck before mitosis. |
Ontology: | GO: Cellular Component [GO:0005826] QuickGO AmiGO |
Name: | has fewer parts of type |
---|---|
Synonyms: | decreased number of, has decreased number of, has fewer physical parts of type |
Definition: | The bearer of this quality has_part < n AND has_part > 0 of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. |
Ontology: | Phenotypic Quality Ontology [PATO:0002001] |
Name: | filamentous actin |
---|---|
Synonyms: | F-actin |
Definition: | A two-stranded helical polymer of the protein actin. |
Ontology: | GO: Cellular Component [GO:0031941] QuickGO AmiGO |