title: Some functional consequences of variation in adrenergic synaptic cleft width and in nerve density and distribution.
mesh_terms: D000320:Adrenergic Fibers / Q000502:physiology* / Q000648:ultrastructure; D000818:Animals; D001808:Blood Vessels / Q000294:innervation*; D005246:Feedback; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000294:innervation* / Q000502:physiology / Q000648:ultrastructure; D009469:Neuromuscular Junction / Q000502:physiology* / Q000648:ultrastructure; D009638:Norepinephrine / Q000378:metabolism*; D011817:Rabbits; D051381:Rats; D011942:Receptors, Adrenergic, alpha / Q000502:physiology; D013569:Synapses / Q000502:physiology / Q000648:ultrastructure; D009435:Synaptic Transmission
chemical_list: D011942:Receptors, Adrenergic, alpha; D009638:Norepinephrine