| barium meal | Oral administration of barium sulfate suspension for radiographic study of the upper gastrointestinal tract (British usage). (05 Mar 2000) |
|---|---|
| meal | 1. Grain (especially. Maize, rye, or oats) that is coarsely ground and unbolted; also, a kind of flour made from beans, pease, etc.; sometimes, any flour, esp. If coarse. 2. Any substance that is coarsely pulverized like meal, but not granulated. Meal beetle, the larva of a beetle (Tenebrio molitor) which infests granaries, bakehouses, etc, and is very injurious to flour and meal. Origin: OE. Mele, AS. Melu, melo; akin to D. Meel, G. Mehl, OHG. Melo, Icel. Mjol, SW. Mjol, Dan. Meel, also to D. Malen to grind, G. Mahlen, OHG, OS, & Goth. Malan, Icel. Mala, W. Malu, L. Molere, Gr. Mill, and E. Mill. Cf. Mill, Mold soil, Mole an animal, Immolate, Molar. The portion of food taken at a particular time for the satisfaction of appetite; the quantity usually taken at one time with the purpose of satisfying hunger; a repast; the ac or time of eating a meal; as, the traveler has not eaten a good meal for a week; there was silence during the meal. "What strange fish Hath made his meal on thee ?" (Shak) Origin: OE. Mel; akin to E. Meal a part, and to D. Maal time, meal, G. Mal time, mahl meal, Icel. Mal measure, time, meal, Goth. Ml time, and to E. Measure. See Measure. Source: Websters Dictionary (01 Mar 1998) |
| meal worm | The larva of beetles of the genus Tenebrio; both larvae and adults are important pests, destroying flour, meal, and other cereal products; they are also intermediate hosts of nematodes of the genus Gongylonema, and of various tapeworms of the genus Hymenolepis. (05 Mar 2000) |
| test meal | Toast and tea, or crackers and tea, or gruel or other bland food, given to stimulate gastric secretion before withdrawing gastric contents for analysis, administration of food containing a substance thought to be responsible for symptoms, such as an allergic reaction. (05 Mar 2000) |
| bone within a bone | <radiology> STOP heavy metal, S: sickle cell disease, T: Thorotrast, O: osteopetrosis, P: Paget's disease, heavy metals, hypervitaminosis D (12 Dec 1998) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |
| allogeneic bone marrow transplant | <haematology, procedure> A bone marrow transplant using marrow collected from a matched healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 50 years of age is generally regarded as the upper limit. (13 Nov 1997) |
| alveolar bone | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| alveolar bone loss | The resorption of bone in the supporting structures of the maxilla or mandible as a result of periodontal disease. (12 Dec 1998) |
| alveolar supporting bone | alveolar process |
| amyloidosis: bone manifestations | <radiology> Joint pain without radiographic findings, osteoporosis, especially in axial skeleton, lytic lesions that destroy cortex and invade soft tissue, wrist, scaphoid and lunate lesions that may extend into the carpal tunnel, inducing the classic complaints of carpal tunnel syndrome amyloid arthropathy Differential diagnosis: pigmented villonodular synovitis, synovial chondromatosis, rheumatoid arthritis, TB (12 Dec 1998) |
| aneurysmal bone cyst | <radiology> ABC, 10 - 30 yrs, 75% before skeletal maturity, sites: long bones; also, flat bones Findings: metaphyseal if unfused, metaepiphyseal after fusion, lytic, expansile, thin, continuous rim, thin internal bony strands (12 Dec 1998) |
| ankle bone | 1. <anatomy> The astragalus. 2. <surgery> A variety of clubfoot (Talipes calcaneus). See the Note under Talipes. 1. A slope; the inclination of the face of a work. 2. <geology> A sloping heap of fragments of rock lying at the foot of a precipice. Origin: L, the ankle, the ankle bone. (26 Nov 1998) |