title: The ontogeny of the transepidermal potential difference in frog embryos.
mesh_terms: D000584:Amiloride / Q000494:pharmacology; D000818:Animals; D002794:Choline / Q000494:pharmacology; D004625:Embryo, Nonmammalian / Q000502:physiology; D005260:Female; D008564:Membrane Potentials / Q000187:drug effects; D012867:Skin / Q000187:drug effects / Q000196:embryology*; D012879:Skin Physiological Phenomena; D014981:Xenopus
chemical_list: D000584:Amiloride; D002794:Choline