| median sacral crest | An unpaired crest formed by the fused spinous processes of the upper four sacral vertebrae. Synonym: crista sacralis mediana. (05 Mar 2000) |
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| gluteal crest | The point of insertion on the upper portion of the shaft of the femur of the greater part of the gluteus maximus muscle; when markedly developed this tuberosity is called the third trochanter. Synonym: trochanter tertius, tuberositas glutea, crista glutea, gluteal crest, gluteal ridge. (05 Mar 2000) |
| conchal crest | Bony ridge which articulates with, or provides attachment for, the inferior nasal concha. See: conchal crest of maxilla, conchal crest of palatine bone. Synonym: crista conchalis, turbinated crest. (05 Mar 2000) |
| conchal crest of maxilla | Ridge of the nasal surface of the body of the maxilla that articulates with the inferior nasal concha. Synonym: crista conchalis maxillae. (05 Mar 2000) |
| 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) |
| crest | 1. A ridge, especially a bony ridge. See: crista. 2. The ridge of the neck of a male animal, especially of a stallion or bull. 3. Feathers on the top of a bird's head, or fin rays on the top of a fish's head. Synonym: crista. Origin: L. Crista (05 Mar 2000) |
| crest of alveolar ridge | The top of the alveolar ridge or residual ridge; the highest continuous surface of the ridge, but not necessarily the centre of the ridge. (05 Mar 2000) |
| crest of cochlear opening | The edge of the opening of the cochlear window to which the secondary tympanic membrane is attached. Synonym: crista fenestrae cochleae, crest of cochlear opening. (05 Mar 2000) |
| crest of fenestrae cochleae | The edge of the opening of the cochlear window to which the secondary tympanic membrane is attached. Synonym: crista fenestrae cochleae, crest of cochlear opening. (05 Mar 2000) |
| crest of head of rib | The ridge that separates the superior and inferior articular surfaces of the head of a rib. Synonym: crista capitis costae. (05 Mar 2000) |
| crest of neck of rib | The sharp upper margin of the neck of a rib. Synonym: crista colli costae. (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) |
| crest of scapular spine | The posterior subcutaneous border of the spine of the scapula that expands in its medial part into a smooth triangular area. (05 Mar 2000) |
| CREST syndrome | <syndrome> A variant of scleroderma that is characterised by the following: Calcinosis, Raynaud's disease, oesophageal motility disorder, sclerodactyly and telangiectasia. (27 Sep 1997) |