| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
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| BM | Bachelor of Medicine; barium meal; basal medium; basal metabolism; basement membrane; basilar membra... |
| BMA | bone marrow arrest; British Medical Association |
| BMAP | bone marrow acid phosphatase |
| BMB | biomedical belt; bone marrow biopsy |
| crest of palatine bone | A transverse ridge near the posterior border of the bony palate, located on the inferior surface of the horizontal plate of the palatine bone. Synonym: crista palatina. (05 Mar 2000) |
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| crest of petrous part of temporal bone | The margin that separates the anterior and posterior surfaces of the petrous part of the temporal bone and the lateral part of the middle cranial fossa from the posterior cranial fossa. Synonym: margo superior partis petrosae ossis temporalis, crest of petrous part of temporal bone. (05 Mar 2000) |
| cribriform plate of ethmoid bone | A horizontal lamina from which are suspended the labyrinth, on either side, and the lamina perpendicularis in the centre; it fits into the ethmoidal notch of the frontal bone and supports the olfactory lobes of the cerebrum, being pierced with numerous openings for the passage of the olfactory nerves. Synonym: lamina cribrosa ossis ethmoidalis, cribrum, sieve bone, sieve plate. (05 Mar 2000) |
| posterior border of petrous part of temporal bone | The margin of the petrous part of the temporal bone that extends from the apex to the jugular notch; it articulates with the basal and jugular portions of the occipital bone. Synonym: margo posterior partis petrosae ossis temporalis. (05 Mar 2000) |
| haemangioma of bone | <radiology> Lytic bone lesion, can cross joint spaces and interosseous membranes Findings: vertebral body: vertical striations (ivory), skull: sunburst or sunrise, long bone: soap bubble or honeycomb, which may surround a joint see also: Mafucci syndrome (12 Dec 1998) |
| posterior surface of petrous part of temporal bone | The surface of the petrous part of the temporal bone that contributes to the posterior cranial fossa. Synonym: facies posterior partis petrosae ossis temporalis. (05 Mar 2000) |
| cubital bone | A bone on the medial (ulnar) side of the proximal row of the carpus, articulating with the lunate, pisiform, and hamate. Synonym: os triquetrum, cubital bone, os pyramidale, os triangulare, pyramidal bone, pyramidale, three-cornered bone, triquetrum. (05 Mar 2000) |
| postsphenoid bone | The posterior portion of the body of the sphenoid bone. (05 Mar 2000) |
| cuboid bone | The lateral bone of the distal row of the tarsus, articulating with the calcaneus, lateral cuneiform, navicular (occasionally), and fourth and fifth metatarsal bones. Synonym: os cuboideum. (05 Mar 2000) |
| cuneiform bone | See: triquetral bone, intermediate cuneiform bone, lateral cuneiform bone, medial cuneiform bone. (05 Mar 2000) |
| hamate bone | The bone on the medial (ulnar) side of the distal row of the carpus; it articulates with the fourth and fifth metacarpal, triquetral, lunate, and capitate. Synonym: os hamatum, hamatum, hooked bone, unciform bone, unciforme, uncinatum. (05 Mar 2000) |
| hamular process of lacrimal bone | The hooklike lower end of the lacrimal crest, curving between the frontal process and orbital surface of the maxilla to form the upper aperture of the bony portion of the nasolacrimal canal. Synonym: hamulus lacrimalis, hamular process of lacrimal bone. (05 Mar 2000) |
| hamular process of sphenoid bone | The inferior, hook-shaped extremity of the medial plate of the pterygoid process. Synonym: hamulus pterygoideus, hamular process of sphenoid bone. (05 Mar 2000) |
| preinterparietal bone | A large sutural bone occasionally found detached from the anterior portion of the os interparietale. Synonym: Goethe's bone. (05 Mar 2000) |
| premaxillary bone | The anterior and inner portion of the maxilla, which in the foetus and sometimes in the adult is a separate bone; the incisive suture runs from the incisive canal between the lateral incisor and the canine tooth; according to K. Albrecht, the os incisivum is further divided by a suture between the two incisor teeth on each side into two bones, the endognathion and the mesognathion. Synonym: incisive bone, intermaxilla, intermaxillary bone, os intermaxillare, os premaxillare, premaxilla, premaxillary bone. (05 Mar 2000) |