| mentotransverse position | A cephalic presentation of the foetus with its chin pointing to the right (right mentotransverse, RMT) or to the left (left mentotransverse, LMT) iliac fossa of the mother. (05 Mar 2000) |
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| Rose's position | The patient lies on his back with the head falling down over the end of the table; used in operations within the mouth or pharynx. (05 Mar 2000) |
| physiologic rest 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) |
| Walcher position | An obsolete term for a supine position of the parturient woman with the lower extremities falling over the edge of the table. (05 Mar 2000) |
| condylar hinge position | The position of the condyles in the temporomandibular joints from which a hinge movement is possible, the maxillomandibular relation from which a consciously stimulated true hinge movement can be executed. (05 Mar 2000) |
| position | 1. The state of being posited, or placed; the manner in which anything is placed; attitude; condition; as, a firm, an inclined, or an upright position. "We have different prospects of the same thing, according to our different positions to it." (Locke) 2. The spot where a person or thing is placed or takes a place; site; place; station; situation; as, the position of man in creation; the fleet changed its position. 3. Hence: The ground which any one takes in an argument or controversy; the point of view from which any one proceeds to a discussion; also, a principle laid down as the basis of reasoning; a proposition; a thesis; as, to define one's position; to appear in a false position. "Let not the proof of any position depend on the positions that follow, but always on those which go before." (I. Watts) 4. Relative place or standing; social or official rank; as, a person of position; hence, office; post; as, to lose one's position. 5. <mathematics> A method of solving a problem by one or two suppositions; called also the rule of trial and error. <astronomy> Angle of position, the angle which any line (as that joining two stars) makes with another fixed line, specifically with a circle of declination. <mathematics> Double position, a position taken up by an army or a large detachment of troops for the purpose of checking or observing an opposing force. Synonym: Situation, station, place, condition, attitude, posture, proposition, assertion, thesis. Origin: F. Position, L. Positio, fr. Ponere, positum, to put, place; prob. For posino, fr. An old preposition used only in comp. (akin to Gr) + sinere to leave, let, permit, place. See Site, and cf. Composite, Compound, Depone, Deposit, Expound, Impostor, Opposite, Propound, Pose, Posit, Post. Source: Websters Dictionary (01 Mar 1998) |
| position agnosia | The failure to recognise the posture of an extremity. (05 Mar 2000) |
| 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) |
| 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) |