Term: blastodisc cleavage furrow
Name: blastodisc
Synonyms:
Definition: Embryonic structure that is the dome of cytoplasm that segregates from the yolk toward the animal pole during and after the one cell-stage, and which undergoes cleavage.
Ontology: Anatomy Ontology [ZFA:0001175]

Name: cleavage furrow
Synonyms:
Definition: The cleavage furrow is a plasma membrane invagination at the cell division site. The cleavage furrow begins as a shallow groove and eventually deepens to divide the cytoplasm.
Ontology: GO: Cellular Component [GO:0032154]    QuickGO    AmiGO