| Pirie's bone | An anomalous bone of the foot located near the head of the talus. Synonym: Pirie's bone. (05 Mar 2000) |
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| 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) |
| pneumatic bone | A bone that is hollow or contains many air cells, such as the mastoid process of the temporal bone. Synonym: os pneumaticum, hollow bone. (05 Mar 2000) |
| convoluted bone | See: inferior nasal concha, middle nasal concha, superior nasal concha, supreme nasal concha. (05 Mar 2000) |
| cornua of hyoid bone | See: greater horn of hyoid bone, lesser horn of hyoid bone. (05 Mar 2000) |
| cortical bone | The superficial thin layer of compact bone. Synonym: substantia corticalis, cortical substance. (05 Mar 2000) |
| coxal bone | A large flat bone formed by the fusion of the ilium, ischium, and pubis (in the adult), constituting the lateral half of the pelvis; it articulates with its fellow anteriorly, with the sacrum posteriorly, and with the femur laterally. Synonym: os coxae, coxa, coxal bone, innominate bone, os innominatum. (05 Mar 2000) |
| 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) |
| 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) |