title: Presynaptic alpha-adrenoceptors.
mesh_terms: D003864:Depression, Chemical; D005246:Feedback; D004364:Pharmaceutical Preparations / Q000378:metabolism; D011941:Receptors, Adrenergic / Q000187:drug effects*; D011942:Receptors, Adrenergic, alpha / Q000187:drug effects*; D013569:Synapses / Q000187:drug effects
chemical_list: D004364:Pharmaceutical Preparations; D011941:Receptors, Adrenergic; D011942:Receptors, Adrenergic, alpha