shelf force
| Blumer's shelf | A shelf palpable by rectal examination, due to metastatic tumour cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch. Synonym: Blumer's shelf. (05 Mar 2000) |
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| Blumer, George | <person> U.S. Physician, 1858-1940. See: Blumer's shelf. (05 Mar 2000) |
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| palatal shelf | A medially directed outgrowth of the embryonic maxilla; when fused with its opposite number it forms the secondary palate. (05 Mar 2000) |
| rectal shelf | A shelf palpable by rectal examination, due to metastatic tumour cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch. Synonym: Blumer's shelf. (05 Mar 2000) |
| vocal shelf | One of Ferrein's cords; the sharp edge of a fold of mucous membrane overlying the vocal ligament and stretching along either wall of the larynx from the angle between the laminae of the thyroid cartilage to the vocal process of the arytenoid cartilage; the vocal folds are the agents concerned in voice production. Synonym: plica vocalis, chorda vocalis, labium vocale, true vocal cord, vocal cord, vocal shelf. (05 Mar 2000) |
| shelf | Origin: OE. Shelfe, schelfe, AS. Scylfe; akin to G. Schelfe, Icel. Skjalf. In senses 2 & 3, perhaps a different word (cf. Shelve,). 1. A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament. 2. A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships. "On the tawny sands and shelves." (Milton) "On the secret shelves with fury cast." (Dryden) 3. <chemical> A stratum lying in a very even manner; a flat, projecting layer of rock. 4. A piece of timber running the whole length of a vessel inside the timberheads. To lay on the shelf, to lay aside as unnecessary or useless; to dismiss; to discard. Source: Websters Dictionary (01 Mar 1998) |
| shelf procedure | Insertion of a graft from the ilium into the roof of the acetabulum for congenital dislocation of the hip. (05 Mar 2000) |
| dental shelf | dental ledge |
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