| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
neurophysiology neu·ro·phys·i·ol·o·gy (n&oobreve;r'ō-fĭz'ē-ŏl'ə-jē, ny&oobreve;r'-)
n.
The branch of physiology that deals with the functions of the nervous system.