| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
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| PPA | palpation, percussion, auscultation; pepsin A; phenylpropanolamine; phenylpyruvic acid; Pittsburgh p... |
| Sp | the most posterior point on the posterior contour of the sella turcica; species; specific; specimen;... |
| LF | 1) Lethal Factor 2) Line Feed 3) Left Foot |
| LPM | Line Per Minute |
| mamillary line | A vertical line passing through the nipple on either side. Synonym: linea mamillaris, nipple line. (05 Mar 2000) |
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| mammary line | A transverse line drawn between the two nipples. (05 Mar 2000) |
| Marginal Line Calculus Index | An index which scores supragingival calculus found in cervical areas paralleling marginal gingiva. (05 Mar 2000) |
| paraspinal line | Radiographic image of the interface between the lung and paravertebral soft tissues. (05 Mar 2000) |
| parasternal line | A vertical line equidistant from the sternal and midclavicular lines. Synonym: linea parasternalis, costoclavicular line. (05 Mar 2000) |
| paravertebral line | A vertical line corresponding to the tips of the transverse processes of the vertebrae. Synonym: linea paravertebralis. (05 Mar 2000) |
| germ line | A group of cells in most multicellular animals which give rise to the reproductive cells. The genome of the animal as contained in these cells, along with any mutations which might arise in them (germinal mutations), can be passed on to offspring. Also can refer to the appearance and conditions of the genome in the germ cells which may be different from within the somatic cells. The development of a germ cell as originating from a cell in a zygote. (09 Oct 1997) |
| germ line gene therapy | The repair or replacement of a defective gene within the gamete-forming tissues, which produces an inheritable change in an organisms genetic constitution. (09 Oct 1997) |
| germ-line mutation | Any detectable and heritable alteration in the lineage of germ cells. Mutations in these cells (i.e., "generative" cells ancestral to the gametes) are transmitted to progeny while those in somatic cells are not. (12 Dec 1998) |
| germ line transformation | Micro injection of foreign DNA into an early embryo, so that it becomes incorporated into the germ line of the individual and thus stably inherited in subsequent generations of transgenic organisms. Typically, the DNA would be a reporter gene or cDNA in a vector such as a transposon, that might also carry a visible marker gene such as eye or coat colour), so that successful transformation could readily be detected. (18 Nov 1997) |
| Paris line | A unit of microscopic measurement as used in Kolliker's Mikroskopische Anatomie; it was equal to 0.0888138 of an inch. (05 Mar 2000) |
| Vesling's line | A central line, like a cord, running over the scrotum from the anus to the root of the penis; it marks the position of the septum scroti. Synonym: raphe scroti, Vesling's line. (05 Mar 2000) |
| vibrating line | The imaginary line across the posterior part of the palate, marking the division between the movable and immovable tissues. (05 Mar 2000) |
| mcgregor's line | <radiology> Line from posterior hard palate to base of occiput, if dens is greater than 4.5 mm most likely to be basilar invagination, easier to use than Chamberlain's line (12 Dec 1998) |
| McKee's line | A line drawn from the tip of the cartilage of the eleventh rib to a point 3.5 cm medial to the anterior superior spine, then curved downward, forward, and inward to just above the deep inguinal ring; a guide to the common iliac artery. (05 Mar 2000) |