title: Yawning and penile erection induced in rats by cortical spreading depression.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000187:drug effects / Q000502:physiology; D013181:Cortical Spreading Depression; D008297:Male; D010413:Penis / Q000187:drug effects / Q000502:physiology*; D011189:Potassium Chloride / Q000494:pharmacology; D051381:Rats; D012018:Reflex / Q000187:drug effects; D012119:Respiration / Q000187:drug effects
chemical_list: D011189:Potassium Chloride