| middle turbinated bone | The middle thin, spongy, bony plate with curved margins, part of the ethmoidal labyrinth, projecting from the lateral wall of the nasal cavity and separating the superior meatus from the middle meatus, the above bony plate and its thick mucoperiosteum containing a cavernous vascular bed for heat exchange. Synonym: concha nasalis media, middle turbinated bone, turbinated body. (05 Mar 2000) |
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| coccygeal bone | <anatomy> The last bone of the spinal column, sometimes referred to as man's vestigial tail. The last portion of the vertebral column just below the sacrum. (27 Sep 1997) |
| cold bone lesions | <radiology> Overlying atenuation caused by pacemaker, barium, metal cross, wristwatch, radiation therapy, local vascular compromise, early osteomyelitis, tumour: neuroblastoma, renal cell carcinoma, thyroid carcinoma, anaplastic tumours (e.g. Reticulum cell sarcoma) (12 Dec 1998) |
| ping-pong bone | The thin shell of osseous tissue at the periphery of a giant cell tumour in a bone. (05 Mar 2000) |
| collar bone | <anatomy> Also called the collar bone, it articulates with the shoulder on one end (at the acromion process of the scapula) and the sternum (breast bone) on the other. (27 Sep 1997) |
| pipe bone | One of the elongated bones of the extremities, consisting of a tubular shaft (diaphysis) and two extremities (epiphyses) usually wider than the shaft; the shaft is composed of compact bone surrounding a central medullary cavity. Compare: short bone. Synonym: os longum, pipe bone. (05 Mar 2000) |
| wedge bone | See: intermediate cuneiform bone, lateral cuneiform bone, medial cuneiform bone. (05 Mar 2000) |
| Pirie's bone | An anomalous bone of the foot located near the head of the talus. Synonym: Pirie's bone. (05 Mar 2000) |
| pisiform bone | A small bone resembling a pea in size and shape, in the proximal row of the carpus, lying on the anterior surface of the triquetral with which alone it articulates; it gives insertion to the tendon of the flexor carpi ulnaris muscle. Synonym: os pisiforme, lentiform bone. (05 Mar 2000) |
| compact bone | The compact, noncancellous portion of bone that consists largely of concentric lamellar osteons and interstitial lamellae. Synonym: substantia compacta, compact substance, substantia compacta ossium. (05 Mar 2000) |
| plasmacytoma of bone | Which is usually a solitary lesion and not associated with the occurrence of Bence Jones protein or other disturbances in the metabolism of protein (as observed in multiple myeloma). Some observers emphasize that the solitary lesion probably represents an early phase of classic multiple myeloma, or an example of the latter in which only one focus is recognised. (05 Mar 2000) |
| compound bone fracture | <orthopaedics> A fractured bone that is exposed to potential bacterial contamination through a laceration or puncture wound in the soft tissues overlying the fracture site. (05 Jan 1998) |
| conchal crest of palatine bone | The ridge on the nasal surface of the perpendicular part of the palatine bone to which the inferior nasal concha attaches. Synonym: crista conchalis ossis palatini. (05 Mar 2000) |
| multangular bone | See: trapezium, trapezoid bone. (05 Mar 2000) |
| woven bone | Bony tissue characteristic of the embryonal skeleton, in which the collagen fibres of the matrix are arranged irregularly in the form of interlacing networks. Synonym: nonlamellar bone, reticulated bone. (05 Mar 2000) |