| arcuate crest of arytenoid cartilage | The ridge on the anterior surface of the arytenoid cartilage that separates the triangular from the oblong fovea. Synonym: crista arcuata cartilaginis arytenoideae, arched crest, arcuate crest. (05 Mar 2000) |
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| basilar crest of cochlear duct | An inward projection of the spiral ligament of the cochlea to which is attached the basilar membrane forming the floor of the cochlear duct. Synonym: crista basilaris ductus cochlearis. (05 Mar 2000) |
| buccinator crest | A ridge passing from the base of the coronoid process of the mandible to the region of the last molar tooth; it gives attachment to the mandibular part of the buccinator muscle. Synonym: crista buccinatoria. (05 Mar 2000) |
| cap of the ampullary crest | A gelatinous mass that overlies the hair cells of the ampullary crests of the saemicircular ducts; movement of endolymphatic fluid causes the cupula to move across the hair cells of the ampullary crest. Synonym: cap of the ampullary crest. (05 Mar 2000) |
| ganglionic crest | A group of embryonic cells that separate from the neural plate during neurulation and migrate to give several different lineages of adult cells: the spinal and autonomic ganglia, the glial cells of the peripheral nervous system and nonneuronal cells, such as chromaffin cells, melanocytes and some haemopoietic cells. (18 Nov 1997) |
| marginal crest | The rounded borders which form the mesial and distal margins of the occlusal surface of a tooth. Synonym: crista marginalis, marginal ridge. (05 Mar 2000) |
| vestibular crest | <anatomy> An oblique ridge on the inner wall of the vestibule of the labyrinth, bounding the spherical recess above and posteriorly. Synonym: crista vestibuli. (05 Mar 2000) |
| gingival crest | The most coronal portion of the gingiva surrounding the tooth, the edge of the free gingiva. Synonym: cervical margin, gingival crest. (05 Mar 2000) |
| medial crest of fibula | A ridge of bone, on the posterior surface of the fibula, separating the attachment of the posterior tibial muscle from that of the flexor hallucis longus and soleus muscles. Synonym: crista medialis fibulae. (05 Mar 2000) |
| medial epicondylar crest | The distal sharp portion of the medial margin of the humerus. Synonym: crista supracondylaris medialis, medial epicondylar crest, medial epicondylar ridge, medial supracondylar crest. (05 Mar 2000) |
| medial supracondylar crest | The distal sharp portion of the medial margin of the humerus. Synonym: crista supracondylaris medialis, medial epicondylar crest, medial epicondylar ridge, medial supracondylar crest. (05 Mar 2000) |
| 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) |
| 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) |