| ABMT | American Board of Medical Toxicology; autologous bone marrow transplantation |
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| AC/BC | air conduction/bone conduction [time ratio] |
| ADR | activation, depression, repetition [in bone remodeling]; adrenodoxin reductase; Adriamycin; adverse ... |
| ANB | avascular necrosis of bone |
| BA | Bachelor of Arts; backache; bacterial agglutination; basilar artery; basion; benzyladenine; best amp... |
| base of metatarsal bone | The expanded proximal extremity of each metatarsal bone; it articulates with one or more of the distal row of tarsal bones. Synonym: basis ossis metatarsalis. (05 Mar 2000) |
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| basilar bone | The developmental basilar process of the occipital bone which unites with the condylar portions in about the fourth or fifth year, becoming the basilar part of the occipital bone. Synonym: basioccipital bone, os basilare. (05 Mar 2000) |
| basilar part of the occipital bone | The part of the occipital bone that lies anterior to the foramen magnum and joins with the body of the sphenoid bone. Synonym: pars basilaris ossis occipitalis, basal part of occipital bone, basilar apophysis, basilar process of occipital bone, basilar process, basiocciput. (05 Mar 2000) |
| basilar process of occipital bone | The part of the occipital bone that lies anterior to the foramen magnum and joins with the body of the sphenoid bone. Synonym: pars basilaris ossis occipitalis, basal part of occipital bone, basilar apophysis, basilar process of occipital bone, basilar process, basiocciput. (05 Mar 2000) |
| basioccipital bone | The developmental basilar process of the occipital bone which unites with the condylar portions in about the fourth or fifth year, becoming the basilar part of the occipital bone. Synonym: basioccipital bone, os basilare. (05 Mar 2000) |
| basisphenoid bone | In comparative anatomy, the bone in the floor of the braincase in the region of the pituitary. See: body of sphenoid bone. (05 Mar 2000) |
| benign bone aneurysm | <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) |
| blade bone | A large, flat, triangular bone that forms the posterior portion of the shoulder. It articulates with the clavicle (at the acromion process) and the humerus (at the glenoid). (27 Sep 1997) |
| blind foramen of frontal bone | <anatomy> Blind or caecal foramen of the frontal bone; the blind foramen formed immediately anterior to the crista galli by a notch at the lower end of the frontal crest and its articulation with the ethmoid bone. It is insignificant postnatally, but gives passage to vessels during development. Synonym: foramen caecum ossis frontalis, blind foramen of frontal bone, caecal foramen of frontal bone. (05 Mar 2000) |
| body of hyoid bone | The body of the hyoid bone, from which the greater and lesser horns extend. Synonym: corpus ossis hyoidei, base of hyoid bone, basihyal, basihyoid. (05 Mar 2000) |
| body of sphenoid bone | The central portion of the sphenoid bone from which the greater and lesser wings and the pterygoid processes arise. The sphenoidal sinuses lie within it. Synonym: corpus ossis sphenoidalis. (05 Mar 2000) |
| body of thigh bone | The cylindrical shaft of the thigh bone. Synonym: corpus ossis femoris, body of thigh bone, corpus femoris. (05 Mar 2000) |
| bone | 1. <anatomy> The hard, calcified tissue of the skeleton of vertebrate animals, consisting very largely of calcic carbonate, calcic phosphate, and gelatine; as, blood and bone. Even in the hardest parts of bone there are many minute cavities containing living matter and connected by minute canals, some of which connect with larger canals through which blood vessels ramify. 2. One of the pieces or parts of an animal skeleton; as, a rib or a thigh bone; a bone of the arm or leg; also, any fragment of bony substance. (pl) The frame or skeleton of the body. 3. Anything made of bone, as a bobbin for weaving bone lace. 4. Two or four pieces of bone held between the fingers and struck together to make a kind of music. 5. Dice. 6. Whalebone; hence, a piece of whalebone or of steel for a corset. 7. The framework of anything. A bone of contention, a subject of contention or dispute. A bone to pick, something to investigate, or to busy one's self about; a dispute to be settled (with some one). Bone ash, the residue from calcined bones; used for making cupels, and for cleaning jewelry. <mathematics> Bone black, a right whale. To be upon the bones of, to attack. To pick a bone with, to quarrel with, as dogs quarrel over a bone; to settle a disagreement. Origin: OE. Bon, ban, AS. Ban; akin to Icel. Bein, Sw. Ben, Dan. & D. Been, G. Bein bone, leg; cf. Icel. Beinn straight. Source: Websters Dictionary (01 Mar 1998) |
| bone abscess | Suppuration within the medullary cavity (osteomyelitis), cortex, or periosteum of bone. (05 Mar 2000) |
| bone ache | A dull pain in the bones, often severe; an extreme variety occurs in dengue. (05 Mar 2000) |