| articulation of pisiform bone | The synovial joint between the pisiform and triquetrum; it is separate from the other intercarpal joints. Synonym: articulatio ossis pisiformis, articulation of pisiform bone. (05 Mar 2000) |
|---|---|
| autologous bone marrow transplant | <haematology, procedure> A process in which a patients healthy bone marrow is withdrawn and preserved. It is later injected back into the patient to replace bone marrow damaged by high doses of radiation therapy. It can then produce healthy blood cells. This treatment is used to offset the detrimental effects of high-dose radiation used in certain types of cancer. (31 Dec 1997) |
| basal bone | The osseus tissue of the mandible and maxillae except the alveolar processes. (05 Mar 2000) |
| basal part 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) |
| base 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) |
| base of metacarpal bone | The expanded proximal extremity of each metacarpal that articulates with one or more of the distal row of carpal bones. Synonym: basis ossis metacarpalis. (05 Mar 2000) |
| 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) |
| 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) |