Pronunciation: fe-nes'tra, -tre
- An anatomic aperture, often closed by a membrane.
- An opening left in a plaster of Paris cast or other form of fixed dressing to permit access to a wound or inspection of the part.
- The opening in one of the blades of an obstetric forceps.
- A lateral opening in the sheath of an endoscopic instrument that allows lateral viewing or operative maneuvering.
- Openings in the wall of a tube, catheter, or trocar designed to promote better flow of air or fluids.
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Examples: glitazone, GI cocktail, etc.