title: Neurogenic dilator and constrictor responses of pial arteries in vitro. Differences between dogs and sheep.
mesh_terms: D000818:Animals; D001158:Arteries / Q000294:innervation*; D002536:Cerebral Arteries / Q000502:physiology*; D004285:Dogs; D004558:Electric Stimulation; D005260:Female; D008297:Male; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology; D018377:Neurotransmitter Agents / Q000494:pharmacology; D010646:Phentolamine / Q000494:pharmacology; D012756:Sheep; D013779:Tetrodotoxin / Q000494:pharmacology; D014661:Vasoconstriction; D014664:Vasodilation; D014666:Vasomotor System / Q000502:physiology*
chemical_list: D018377:Neurotransmitter Agents; D013779:Tetrodotoxin; D010646:Phentolamine