| apophysis helicis | An anteriorly directed spine at the extremity of the crus of the helix of the auricle. Synonym: spina helicis, apophysis helicis. (05 Mar 2000) |
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| apophysis | 1. <anatomy> A marked prominence or process on any part of a bone. 2. <botany> An enlargement at the top of a pedicel or stem, as seen in certain mosses. Origin: NL, fr. Gr. Offshoot, process of a bone, fr. To grow from; from +, to grow. Source: Websters Dictionary (01 Mar 1998) |
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| apophysis conchae | The prominence on the cranial surface of the auricle corresponding to the concha. Synonym: eminentia conchae, apophysis conchae. (05 Mar 2000) |
| basilar apophysis | The part of the occipital bone that lies anterior to the foramen magnum and joins with the body of the sphenoid bone. Synonym: pars basilaris ossis occipitalis, basal part of occipital bone, basilar apophysis, basilar process of occipital bone, basilar process, basiocciput. (05 Mar 2000) |
| Ingrassia's apophysis | One of a bilateral pair of triangular, pointed plates extending laterally from the anterolateral body of the sphenoid bone. Forming the posteriormost portion of the floor of the anterior cranial fossa, their sharp posterior edge forms the sphenoidal ridge separating anterior and middle cranial fossae. The medial end of the lesser wing attaches to the body by means of two pedicles, thus forming the optic canal. The wing itself forms the superior margin of the supraorbital fissure. Synonym: ala minor ossis sphenoidalis, ala orbitalis, Ingrassia's apophysis, Ingrassia's wing. (05 Mar 2000) |
| temporal apophysis | The nipple-like projection of the petrous part of the temporal bone. Synonym: processus mastoideus, mastoid bone, temporal apophysis. (05 Mar 2000) |
| lenticular apophysis | A knob at the tip of the long limb of the incus which articulates with the stapes. Synonym: processus lenticularis incudis, lenticular apophysis, lenticular bone, orbicular bone, orbicular process, orbiculare, os orbiculare, os sylvii. (05 Mar 2000) |
| cauda helicis | A flattened process terminating the cartilage of the helix of the ear, posteriorly and inferiorly. Synonym: cauda helicis. (05 Mar 2000) |
| chondrodermatitis nodularis chronica helicis | A benign, chronic, small, painful nodule (or nodules) on the helix of the ear in elderly white males, which may occasionally become ulcerated. Synonym: Winkler's disease. (05 Mar 2000) |
| musculus helicis major | <anatomy> A narrow band of muscular fibres on the anterior border of the helix of the auricle arising from the spine and inserted at the point where the helix becomes transverse. Synonym: musculus helicis major, large muscle of helix. (05 Mar 2000) |
| musculus helicis minor | <anatomy> A band of oblique fibres covering the crus of the helix of the auricle. Synonym: musculus helicis minor, smaller muscle of helix. (05 Mar 2000) |
| musculus incisurae helicis | An occasional muscle on the cranial surface of the auricle spanning the antitragohelicine fissure. Synonym: musculus incisurae helicis, musculus intertragicus. (05 Mar 2000) |
| crista helicis | A transverse ridge continuing backward from the helix of the auricle, dividing the concha into an upper portion (cymba) and a lower portion (cavity of concha). Synonym: crus helicis, crista helicis, limb of helix. (05 Mar 2000) |
| crus helicis | A transverse ridge continuing backward from the helix of the auricle, dividing the concha into an upper portion (cymba) and a lower portion (cavity of concha). Synonym: crus helicis, crista helicis, limb of helix. (05 Mar 2000) |
| helicis major muscle | <anatomy> A narrow band of muscular fibres on the anterior border of the helix of the auricle arising from the spine and inserted at the point where the helix becomes transverse. Synonym: musculus helicis major, large muscle of helix. (05 Mar 2000) |
| helicis minor muscle | <anatomy> A band of oblique fibres covering the crus of the helix of the auricle. Synonym: musculus helicis minor, smaller muscle of helix. (05 Mar 2000) |
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