| DSP | decreased sensory perception; delayed sleep phase; desmoplakin; dibasic sodium phosphate; digital si... |
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| HS | Haber syndrome; half strength; hamstring; hand surgery; Hartmann solution; head sling; healthy subje... |
| HSA | Hazardous Substances Act; Health Services Administration; health systems agency; hereditary siderobl... |
| MSLT | multiple sleep latency test |
| non-REM | non-rapid eye movement [sleep] |
| position effect | A change in the phenotypic expression of one or more genes due to a change in its physical location with respect to other genes; may result from change in chromosome structure or from crossing-over. (05 Mar 2000) |
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| position sense | The ability to recognise the position in which a limb is passively placed, with the eyes closed. Synonym: position sense. (05 Mar 2000) |
| postural position | The usual position of the mandible when the patient is resting comfortably in the upright position and the condyles are in a neutral unstrained position in the glenoid fossae. See: rest relation. Synonym: postural position, postural resting position, rest position. (05 Mar 2000) |
| sacroanterior position | A breech presentation of the foetus with the sacrum pointing to the right (right sacroanterior, RSA) or to the left (left sacroanterior, LSA) acetabulum of the mother. (05 Mar 2000) |
| sacroposterior position | A breech presentation of the foetus with the sacrum pointing to the right (right sacroposterior, RSP) or to the left (left sacroposterior, LSP) sacroiliac articulation of the mother. (05 Mar 2000) |
| sacrotransverse position | A breech presentation of the foetus with its sacrum pointing to the right (right sacrotransverse, RST) or to the left (left sacrotransverse, LST) sacroiliac articulation of the mother. (05 Mar 2000) |
| heart position | A description of the heart's assumed electrical habitus based upon the form of the QRS complexes in leads aVL, aVF, V1, and V6. Sometimes loosely (and inaccurately) used to describe the frontal plane electric axis. Synonym: heart position. (05 Mar 2000) |
| prone position | The posture of an individual lying face down. (12 Dec 1998) |
| protrusive position | A forward position of the mandible produced by muscular effort. (05 Mar 2000) |
| Scultetus' position | A supine position on an inclined plane with head low, recommended by Scultetus for herniotomy and castration. (05 Mar 2000) |
| hinge position | In dentistry, the orientation of parts in a manner permitting hinge movement between them. (05 Mar 2000) |
| semiprone position | A position to facilitate a vaginal examination, the patient lying on the side with the under arm behind the back, the thighs flexed, the upper one more than the lower. Synonym: English position, lateral recumbent position, semiprone position. (05 Mar 2000) |
| Simon's position | A position for vaginal examination; a supine position with hips elevated, thighs and legs flexed, and thighs widely separated. (05 Mar 2000) |
| Sims' position | A position to facilitate a vaginal examination, the patient lying on the side with the under arm behind the back, the thighs flexed, the upper one more than the lower. Synonym: English position, lateral recumbent position, semiprone position. (05 Mar 2000) |
| Noble's position | Patient standing and bent slightly forward; useful for inspection of a swelling of the loin that may occur with pyelonephritis. (05 Mar 2000) |