name: actomyosin contractile ring
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def: "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." [GOC:expert_jrp, GOC:sgd_curators, GOC:vw, ISBN:0805319409, ISBN:0815316194, PMID:28914606]
synonym: "actomyosin ring" RELATED 
synonym: "CAR" EXACT 
synonym: "constriction ring" RELATED 
synonym: "contractile actomyosin ring" EXACT 
synonym: "cytokinetic ring" RELATED 
is_a: GO:0070938 ! contractile ring
relationship: part_of: GO:0030864 ! cortical actin cytoskeleton
relationship: part_of: GO:0032153 ! cell division site
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