| D1 | diagonal one; first dorsal vertebra |
|---|---|
| F1, | F2 etc. first, second, etc., filial generation |
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |
| FAI | first aid instruction; free androgen index; functional aerobic impairment; functional assessment inv... |
| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |
occlusal position
| mentoanterior position | A cephalic presentation of the foetus with its chin pointing to the right (right mentoanterior, RMA) or to the left (left mentoanterior, LMA) acetabulum of the mother. (05 Mar 2000) |
|---|---|
| mentoposterior position | A cephalic presentation of the foetus with its chin pointing to the right (right mentoposterior, RMP) or to the left (left mentoposterior, LMP) sacroiliac articulation of the mother. (05 Mar 2000) |
| 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) |
| 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) |