title: Ontogeny and evolution of prolactin's functions.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D006128:Growth; D006728:Hormones / Q000502:physiology; D008660:Metabolism; D011388:Prolactin / Q000502:physiology*; D012098:Reproduction; D012879:Skin Physiological Phenomena; D013045:Species Specificity; D014882:Water-Electrolyte Balance
chemical_list: D006728:Hormones; D011388:Prolactin