| 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. |
xenograft xen·o·graft (zěn'ə-grāft', zē'nə-)
n.
See heterograft.
| xenograft (zěn'ə-grāft', zē'nə-) Pronunciation Key
A graft in which the donor and recipient are of different species. Compare allograft, autograft. |