On the genesis of cellular communication.
D000818:Animals; D002118:Calcium; D002449:Cell Aggregation; D002463:Cell Membrane Permeability; D004626:Embryology; D066298:In Vitro Techniques; D008274:Magnesium; D011161:Porifera / Q000166:cytology
D008274:Magnesium; D002118:Calcium