CELL DIVISIONS, DURATION OF INTERKINETIC STATES AND DIFFERENTIATION IN EARLY  STAGES OF EMBRYONIC DEVELOPMENT.
D002454:Cell Differentiation; D002455:Cell Division; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D047108:Embryonic Development; D012106:Research
CELL DIFFERENTIATION; CELL DIVISION; EMBRYO; EXPERIMENTAL LAB STUDY; REVIEW