Hypercapnia and acetylcholine release from the cerebral cortex and medulla.
D000109:Acetylcholine / Q000502:physiology*; D000818:Animals; D002245:Carbon Dioxide / Q000097:blood*; D002540:Cerebral Cortex / Q000502:physiology*; D004285:Dogs; D005260:Female; D006935:Hypercapnia; D000860:Hypoxia; D008297:Male; D008526:Medulla Oblongata / Q000502:physiology*; D012119:Respiration / Q000502:physiology*
D002245:Carbon Dioxide; D000109:Acetylcholine