The activity of the ciliospinal centers and their inhibition in pupillary light reflex.
D006801:Humans; D009424:Nervous System Physiological Phenomena; D011680:Pupil / Q000502:physiology*; D012018:Reflex; D013116:Spinal Cord / Q000502:physiology*
PUPIL/physiology; REFLEX; SPINAL CORD/physiology