title: Non-cholinergic, non-adrenergic inhibitory neurons in human internal anal sphincter muscle.
mesh_terms: D001003:Anal Canal / Q000294:innervation*; D001920:Bradykinin / Q000494:pharmacology; D006801:Humans; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009433:Neural Inhibition; D013373:Substance P / Q000494:pharmacology; D014660:Vasoactive Intestinal Peptide / Q000494:pharmacology; D005680:gamma-Aminobutyric Acid / Q000494:pharmacology
chemical_list: D013373:Substance P; D014660:Vasoactive Intestinal Peptide; D005680:gamma-Aminobutyric Acid; D009020:Morphine; D001920:Bradykinin