The spatial and temporal pattern of cell activities in the blastocoel cavity of amphibian embryos during archenteron floor descent.
D000818:Animals; D002022:Bufo arenarum / Q000196:embryology*; D002465:Cell Movement; D004530:Egg Yolk; D004625:Embryo, Nonmammalian / Q000166:cytology; D005260:Female; D009024:Morphogenesis