Receptors for neurotransmitters and peptide hormones.
D000375:Aging; D000818:Animals; D004194:Disease / Q000503:physiopathology; D006801:Humans; D011956:Receptors, Cell Surface / Q000302:isolation & purification / Q000502:physiology*; D017981:Receptors, Neurotransmitter / Q000302:isolation & purification / Q000502:physiology*
D011956:Receptors, Cell Surface; D017981:Receptors, Neurotransmitter