| HP | halogen phosphorus; handicapped person; haptoglobin; hard palate; Harvard pump; health profession(al... |
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| H-PAGE | horizontal polyacrylamide gel |
| cyclic strabismus | A strabismus that appears and disappears in rhythym, most frequently at 48-hour intervals. (05 Mar 2000) |
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| X-strabismus | Strabismus in which exotropia is more marked when looking upward or downward than when looking straight ahead. (05 Mar 2000) |
| strabismus | <clinical sign> A deviation of the eye which the patient cannot overcome. The visual axes assume a position relative to each other different from that required by the physiological conditions. The various forms of strabismus are spoken of as tropias, their direction being indicated by the appropriate prefix, as cyclo tropia, esotropia, exotropia, hypertropia and hypotropia. Also called cast, heterotropia, manifest deviation and squint. Origin: Gr. Strabismos = a squinting (18 Nov 1997) |
| strabismus deorsum vergens | An obsolete term for vertical strabismus in which the visual axis of one eye deviates downward. (05 Mar 2000) |
| strabismus sursum vergens | An obsolete term for a vertical strabismus in which the visual axis of one eye deviates upward. (05 Mar 2000) |
| divergent strabismus | <clinical sign> The outward or temporal deviation of an eye. (27 Sep 1997) |
| incomitant strabismus | Strabismus due to weakness of an ocular muscle or muscles. Synonym: incomitant strabismus. (05 Mar 2000) |
| internal strabismus | An obsolete term for esotropia (05 Mar 2000) |
| external strabismus | An obsolete term for exotropia. (05 Mar 2000) |
| kinetic strabismus | Strabismus due to spasm of an extraocular muscle. (05 Mar 2000) |
| palatine surface of horizontal plate of palatine bone | The inferior surface of the horizontal plate of the palatine bone. Synonym: facies palatina laminae horizontalis ossis palatini. (05 Mar 2000) |
| medial crus of the horizontal part of the facial canal | Medially-placed, anteriorly-directed first portion of the horizontal part of the facial canal. See: horizontal part of facial canal. Synonym: medial crus of the horizontal part of the facial canal. (05 Mar 2000) |
| great horizontal fissure | Horizontal fissure that divides the ansiform lobule into its major parts, crus I (superior semilunar lobule) and crus II (inferior semilunar lobule). Synonym: fissura horizontalis cerebelli, great horizontal fissure. (05 Mar 2000) |
| horizontal | 1. Pertaining to, or near, the horizon. "Horizontal misty air." 2. Parallel to the horizon; on a level; as, a horizontalline or surface. 3. Measured or contained in a plane of the horizon; as, horizontal distance. Horizontal drill, a drilling machine having a horizontal drill spindle. Horizontal engine, one the piston of which works horizontally. Horizontal fire, the fire of ordnance and small arms at point-blank range or at low angles of elevation. <physics> Horizontal force, the distance in a horizontal plane to which a gun will throw a projectile. Horizontal water wheel, a water wheel in which the axis is vertical, the buckets or floats revolving in a horizontal plane, as in most turbines. Origin: Cf. F. Horizontal. Source: Websters Dictionary (01 Mar 1998) |
| horizontal atrophy | A progressive loss of alveolar and supporting bone surrounding the teeth, beginning at the most coronal level of the bone. Synonym: horizontal resorption. (05 Mar 2000) |