| parietal border of sphenoid bone | The margin of the greater wing of the sphenoid that articulates with the parietal bone. Synonym: margo parietalis ossis sphenoidalis. (05 Mar 2000) |
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| parietal border of temporal bone | The border of the squamous part of the temporal bone that articulates with the parietal bone. Synonym: margo parietalis ossis temporalis. (05 Mar 2000) |
| Vesalius' bone | The tuberosity of the fifth metatarsal bone sometimes existing as a separate bone. Synonym: vesalianum, Vesalius' bone. (05 Mar 2000) |
| cartilage bone | A bone that develops in a cartilage environment after the latter is partially or entirely destroyed by calcification and subsequent resorption. Synonym: cartilage bone, replacement bone. (05 Mar 2000) |
| giant cell tumour of bone | A bone tumour composed of cellular spindle-cell stroma containing scattered multinucleated giant cells resembling osteoclasts. The tumours range from benign to frankly malignant lesions. The tumour occurs most frequently in an end of a long tubular bone in young adults. (12 Dec 1998) |
| red bone marrow | Bone marrow in which the meshes contain the developmental stages of erythrocytes, leukocytes, and megakaryocytes. Synonym: medulla ossium rubra. (05 Mar 2000) |
| mastoid angle of parietal bone | The posteroinferior point of the parietal bone. Synonym: angulus mastoideus ossis parietalis. (05 Mar 2000) |
| mastoid bone | The nipple-like projection of the petrous part of the temporal bone. Synonym: processus mastoideus, mastoid bone, temporal apophysis. (05 Mar 2000) |
| mastoid border of occipital bone | The margin of the occipital squama that articulates with the temporal bone. Synonym: margo mastoideus squamae occipitalis, mastoid margin of occipital bone. (05 Mar 2000) |
| mastoid margin of occipital bone | The margin of the occipital squama that articulates with the temporal bone. Synonym: margo mastoideus squamae occipitalis, mastoid margin of occipital bone. (05 Mar 2000) |
| mastoid part of the temporal bone | The portion of the petrous part of the temporal bone bearing the mastoid process. Synonym: pars mastoidea ossis temporalis. (05 Mar 2000) |
| maxillary surface of palatine bone | The lateral surface of the perpendicular plate of the palatine bone. Synonym: facies maxillaris ossis palatini. (05 Mar 2000) |
| cavalry bone | Heterotopic bone ossification of the tendon of the adductor longus muscle from strain in horseback riding. Synonym: cavalry bone, exercise bone. (05 Mar 2000) |
| medial cuneiform bone | The largest of the three cuneiform bones, the medial bone of the distal row of the tarsus, articulating with the intermediate cuneiform, navicular, and first and second metatarsal bones. Synonym: os cuneiforme mediale, first cuneiform bone, wedge bone. (05 Mar 2000) |
| replacement bone | A bone that develops in a cartilage environment after the latter is partially or entirely destroyed by calcification and subsequent resorption. Synonym: cartilage bone, replacement bone. (05 Mar 2000) |