| beta [Greek letter beta] | an anomer of a carbohydrate; buffer capacity; carbon separated from a carboxyl by one other carbon i... |
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| FH | facial hemihyperplasia; familial hypercholesterolemia; family history; fasting hyperbilirubinemia; f... |
| HP | halogen phosphorus; handicapped person; haptoglobin; hard palate; Harvard pump; health profession(al... |
| MSP | macrophage stimulating protein; maximum squeeze pressure; median sagittal plane; microseminoprotein;... |
| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
acute angle
| plane, focal | <microscopy> A plane through the focal point perpendicular to the principle axis of a lens or mirror. (05 Aug 1998) |
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| plane joint | A synovial joint in which the opposing surfaces are nearly planes and in which there is only a slight, gliding motion, as in the intermetacarpal joints. Synonym: articulatio plana, arthrodia, arthrodial articulation, arthrodial joint, gliding joint. (05 Mar 2000) |
| plane of incidence | The plane perpendicular to a lens surface that contains the incident light ray. (05 Mar 2000) |
| plane of inlet | The upper opening of the true pelvis, bounded anteriorly by the pubic symphysis and the pubic crest on either side, laterally by the iliopectineal lines, and posteriorly by the promontory of the sacrum. Synonym: apertura pelvis superior, aditus pelvis, first parallel pelvic plane, pelvic brim, pelvic inlet, pelvic plane of inlet, plane of inlet. (05 Mar 2000) |
| plane of least pelvic dimensions | The plane that extends from the end of the sacrum to the inferior border of the pubic symphysis; it is bounded posteriorly by the end of the sacrum, laterally by the ischial spines, and anteriorly by the inferior border of the pubic symphysis. Synonym: midplane, plane of least pelvic dimensions, plane of midpelvis, third parallel pelvic plane. (05 Mar 2000) |
| plane of midpelvis | The plane that extends from the end of the sacrum to the inferior border of the pubic symphysis; it is bounded posteriorly by the end of the sacrum, laterally by the ischial spines, and anteriorly by the inferior border of the pubic symphysis. Synonym: midplane, plane of least pelvic dimensions, plane of midpelvis, third parallel pelvic plane. (05 Mar 2000) |
| plane of outlet | The lower opening of the true pelvis, bounded anteriorly by the pubic arch, laterally by the rami of the ischium and the sacrotuberous ligament on either side, and posteriorly by these ligaments and the tip of the coccyx. Synonym: apertura pelvis inferior, apertura pelvis minoris, fourth parallel pelvic plane, pelvic outlet, pelvic plane of outlet, plane of outlet. (05 Mar 2000) |
| plane of pelvic canal | A hypothetical curved line joining the centre point of each of the four planes of the pelvis, marking the centre of the pelvic cavity at every level. Synonym: axis pelvis, plane of pelvic canal. (05 Mar 2000) |
| plane of regard | An imaginary plane through which the point of regard moves as the eyes are turned from side to side. (05 Mar 2000) |
| plane-parallel | <optics> Having opposite surfaces exactly plane and parallel, as a piece of glass. Source: Websters Dictionary (01 Mar 1998) |
| plane-polarized light | <chemistry> Light which is passed through a filter which blocks out all the light except that which ocillates in one plane. (09 Jan 1998) |
| plane suture | A simple firm apposition of two smooth surfaces of bones, without overlap, as seen in the lacrimomaxillary suture. Synonym: sutura plana, harmonia, harmonic suture. (05 Mar 2000) |
| plane tree | <botany> Same as 1st Plane. Source: Websters Dictionary (01 Mar 1998) |
| plane wart | A smooth, flat, flesh-coloured wart of small size, occurring in groups, seen especially on the face of the young; often associated with common warts of the hands, due to human papilloma virus, commonly, types 3 and 10. Synonym: flat wart, plane wart, verruca plana juvenilis. (05 Mar 2000) |
| plane wave | <microscopy> Wave in which wavefronts are parallel to a plane normal to the direction of propagation. (05 Aug 1998) |