title: Cleavage furrow formation in a telolecithal egg (Loligo pealii). II. Direct evidence for a contraction of the cleavage furrow base.
mesh_terms: D000663:Amphibians / Q000196:embryology*; D000818:Animals; D003593:Cytoplasm; D005260:Female; D005855:Germ Layers / Q000254:growth & development; D010063:Ovum / Q000166:cytology / Q000254:growth & development*; D011312:Pressure