title: Active release of material from rat blastocysts developing in vitro.
mesh_terms: D000818:Animals; D003470:Culture Media; D003594:Cytoplasmic Granules; D010064:Embryo Implantation; D004622:Embryo, Mammalian; D005260:Female; D066298:In Vitro Techniques; D009040:Motion Pictures; D010063:Ovum / Q000378:metabolism*; D051381:Rats
chemical_list: D003470:Culture Media