| PLST | progressively lowered stress threshold |
|---|---|
| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
| PT | pain threshold; parathormone; parathyroid; paroxysmal tachycardia; part time; patient; pericardial t... |
| PTAT | pure tone average threshold |
| RDT | retinal damage threshold; routine dialysis therapy |
| axial point | One of two point's in a compound optical system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym: axial point. (05 Mar 2000) |
|---|---|
| boiling point | This is the temperature at which the vapor pressure of a given liquid reaches atmospheric pressure (and thus starts to boil). (09 Oct 1997) |
| boiling point elevation | This is the phenomenon of increasing the temperature at which a liquid boils by dissolving another substance in the liquid (for example: you can raise the temperature at which water boils by adding salt to it). (09 Oct 1997) |
| Cannon's point | The location in the mid-transverse colon at which innervation by superior and inferior mesenteric plexuses overlap at the junction of the primitive midgut and hindgut, frequently resulting in narrowing evident on barium enema. See: Cannon's ring. Synonym: Cannon's ring. (05 Mar 2000) |
| painful point | See: Valleix's points. (05 Mar 2000) |
| malar point | Apex of the tuberosity of the zygomatic (malar) bone. (05 Mar 2000) |
| maximum occipital point | The point on the squama of the occipital bone farthest from the glabella. (05 Mar 2000) |
| Mayo-Robson's point | A point just above and to the right of the umbilicus, where tenderness on pressure exists in disease of the pancreas. (05 Mar 2000) |
| mcburney's point | In acute appendicitis, extreme sensitivity over the appendix in a location that is approximately two inches to the left of the right anterior superior iliac spine. (27 Sep 1997) |
| cell cycle restriction point | <cell biology, molecular biology> A point, late in G1, after which the cell must, normally, proceed through to division at its standard rate. (26 Mar 1998) |
| median mandibular point | <anatomy> A point on the anteroposterior centre of the mandibular ridge in the median sagittal plane. (05 Mar 2000) |
| central-bearing point | The contact point of a central-bearing device. (05 Mar 2000) |
| retention point | A provision made within a cavity preparation of a tooth to hold in place the first pieces of gold when placing a direct gold restoration. (05 Mar 2000) |
| melting point | The temperature at which a solid becomes a liquid, the temperature at which 50% of a macromolecule becomes denatured. (05 Mar 2000) |
| mental point | In craniometry, the most anterior point on the mandible in the midline; the most anterior, prominent point on the chin. Synonym: mental point. Origin: G. Dim. Of pogon, beard (05 Mar 2000) |