| convex | Applied to a surface that is evenly curved outward, the segment of a sphere. Origin: L. Convexus, vaulted, arched, convex, fr. Con-veho, to bring together (05 Mar 2000) |
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| convex lens | A converging lens. Synonym: plus lens. (05 Mar 2000) |
| convex mirror | A spherical reflecting surface that constitutes a segment of the exterior of a sphere. (05 Mar 2000) |
| high convex | The segment of a sphere of short radius. (05 Mar 2000) |
| double convex lens | A lens with both surfaces convex. Synonym: convexoconvex lens, double convex lens. (05 Mar 2000) |
| low convex | The segment of a sphere of long radius. (05 Mar 2000) |
| Penrose drain | A soft tube-shaped rubber drain. (05 Mar 2000) |
| cigarette drain | A wick of gauze wrapped in rubber tissue, providing capillary drainage. (05 Mar 2000) |
| Mikulicz' drain | A drain made of several strings of gauze held together by a single layer of gauze. (05 Mar 2000) |
| stab drain | A drain passed into a cavity through a puncture made at a dependent part away from the wound of operation, designed to prevent infection of the wound. (05 Mar 2000) |
| sump drain | A drain consisting of an outer tube with a smaller tube within it which is attached to a suction pump; the outer tube has multiple perforations that allow fluid and air to pass into its interior and be carried away through the suction tube. (05 Mar 2000) |
| drain | 1. To draw off fluid from a cavity as it forms. 2. A device, usually in the shape of a tube or wick, for removing fluid as it collects in a cavity, especially a wound cavity. Origin: A. S. Drehnian, to draw off (05 Mar 2000) |
| drain-trap stomach | water-trap stomach |
| Broca's pouch | A pear-shaped encapsulated collection of connective tissue and fat in each labium majus. Synonym: Broca's pouch. (05 Mar 2000) |
| paracystic pouch | A peritoneal depression formed by the reflection of the peritoneum from the lateral pelvic wall onto the roof of the bladder; in the female, it is the lateral portion of the uterovesical pouch, separated from the pararectal pouch by the broad ligament. Synonym: fossa paravesicalis, paracystic pouch, paravesical pouch. (05 Mar 2000) |