| NBME | National Board of Medical Examiners; normal bone marrow extract |
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| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |
| PDB | Paget disease of bone; paradichlorobenzene; patient's database; phosphorus-dissolving bacteria; prev... |
| RBF | regional blood flow; regional bone mass; renal blood flow |
| bone wax | A mixture of antiseptic agents, oil, and wax used to stop bleeding by plugging bone cavities or haversian canals. Synonym: Horsley's bone wax. (05 Mar 2000) |
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| bone wires | Steel wires, often threaded through the skin, soft tissues, and bone, used to fix broken bones. Kirschner wires or apparatus also includes the application of traction to the healing bones through the wires. (12 Dec 1998) |
| breast bone | The breastbone. The sternum articulates with the ribs 1 through 7 on either side of the chest. (27 Sep 1997) |
| bubbly bone lesion | <radiology> Fibrous dysplasia, enchondroma, giant cell tumour (GCT), non-ossifying fibroma, osteoblastoma, myeloma, aneurysmal bone cyst (ABC), angioma, simple (solitary, unicameral) bone cyst, hyperparathyroid cyst, infection (Brodie's abscess; coccidioidomycosis; echinococcus), chondromyxoid fibroma, chondroblastoma mnemonic: FEGNOMASHIC (!!) (12 Dec 1998) |
| bundle bone | Immature bone containing thick bundles of collagen fibres arranged nearly parallel to one another with osteocytes in between; a similar type of bone is found in regions penetrated by fibres of Sharpey, as at ligament and tendon attachments. (05 Mar 2000) |
| caecal 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) |
| calcaneal bone | The largest of the tarsal bones and is situated at the lower and back part of the foot forming the heel. (12 Dec 1998) |
| calcaneal process of cuboid bone | The process projecting posteriorly from the plantar surface of the cuboid; it supports the anterior end of the calcaneus. Synonym: processus calcaneus ossis cuboidei. (05 Mar 2000) |
| calf-bone | Synonym: fibula. 2. Bone from a calf (young cow) used in orthopaedic reconstruction. (05 Mar 2000) |
| cancellous bone | Adult bone consisting of mineralised regularly ordered parallel collagen fibres more loosely organised than the lamellar bone of the shaft of adult long bones. Found in the end of long bones. Synonym: trabecular bone. (18 Nov 1997) |
| cancer, bone | Cancer of the skeleton. Cancers that begin in bone are rare but it is not unusual for cancers to spread (metastasize) to bone from other parts of the body. This is not called bone cancer, but is named for the organ or tissue in which the cancer begins. Pain is the most frequent symptom of cancer of the bone. Diagnosis of cancer of the bone is supported by findings of the medical history and examination, blood and X-ray tests and confirmed with a biopsy. (12 Dec 1998) |
| cannon bone | The middle metacarpal (or metatarsal bone) in the horse. Synonym: shank bone. (05 Mar 2000) |
| capitate bone | Enlarged or swollen at tip, gathered into a mass at apex, as compound stigma, a knoblike stigma terminating a style. (09 Oct 1997) |
| vaginal process of sphenoid bone | A thin lamina of bone that extends medially under the body of the sphenoid bone from the medial lamina of the pterygoid process; it articulates with the vomer and the palatine bone. Synonym: processus vaginalis ossis sphenoidalis, sheath process of sphenoid bone. (05 Mar 2000) |
| palatine bone | An irregularly shaped bone posterior to the maxilla, which enters into the formation of the nasal cavity, the orbit, and the hard palate; it articulates with the maxilla, inferior nasal concha, sphenoid, and ethmoid bones, the vomer and its fellow of the opposite side. Synonym: os palatinum. (05 Mar 2000) |