| PDS | pain-dysfunction syndrome; paroxysmal depolarizing shift; patient data system; Patient-Doctor Societ... |
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| PFPS | patellofemoral pain syndrome |
| PID | pain intensity difference [score]; pelvic inflammatory disease; photoionization detector; picture im... |
| PMI | pain management inventory; past medical illness; patient medication instruction; perioperative myoca... |
| PMP | pain management program; patient management program; patient medication profile; peripheral myelin p... |
| whole-body titration curve | A graphic representation of the in vivo changes in hydrogen ion, PaCO2, and bicarbonate which occur in arterial blood in response to primary acid-base disturbances. (05 Mar 2000) |
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| wolffian body | <anatomy> The middle one of the three pairs of embryonic renal organs developed in most vertebrates; the Wolffian body. Origin: NL, fr. Gr. Middle + kidney. Source: Websters Dictionary (01 Mar 1998) |
| plethysmography, whole body | Measurement of the volume of gas in the lungs, including that which is trapped in poorly communicating air spaces. It is of particular use in chronic obstructive pulmonary disease and emphysema. (12 Dec 1998) |
| multilamellar body | <cell biology> A specialised region of various protozoans in which phagocytosis is likely to occur. Often there is a clear concentration of microtubules or/and microfilaments in the region of the cytostome. In ciliates there may be a specialised arrangement of cilia around the cytostome. (18 Nov 1997) |
| multivesicular body | Secondary lysosome containing many vesicles of around 50 nm diameter. (18 Nov 1997) |
| polar body | <cell biology> In animals each meiotic division of the oocyte leads to the formation of one large cell (the egg) and a small polar body as the other cell. Polar body formation is a consequence of the very eccentric position of the nucleus and the spindle. (18 Nov 1997) |
| polyhedral body | An inclusion body associated with replication of certain insect viruses. (05 Mar 2000) |
| myelin body | <cell biology> Structure that can form spontaneously when bilayer forming phospholipids (e.g. Egg lecithin) are added to water. They are reminiscent of the concentric layer structure of myelin. (18 Nov 1997) |
| Councilman body | An eosinophilic globule, seen in the liver in yellow fever, derived from necrosis of a single hepatic cell. Synonym: Councilman's lesion. (05 Mar 2000) |
| myositis, inclusion body | A progressive inflammatory myopathy primarily involving muscles of the pelvic region and legs, usually seen in older people. The muscles are infiltrated by mononuclear inflammatory cells, sarcoplasmic vacuoles, masses of filaments and filamentous microtubules, and sometimes eosinophilic bodies. (12 Dec 1998) |
| pontobulbar body | A collection of nerve cells in the lower part of the medulla oblongata forming a ridge which crosses the restiform body obliquely. Synonym: corpus pontobulbare. (05 Mar 2000) |
| posterior quadrigeminal body | The ovoid, paired, inferior eminence of the laminae of mesencephalic tectum; it receives the lateral lemniscus and projects by way of the brachium of inferior colliculus to the medial geniculate body of the thalamus, and is thus an essential way-station in the central auditory pathway. Synonym: colliculus inferior, corpus quadrigeminum posterius, inferior nasal colliculus, posterior quadrigeminal body. (05 Mar 2000) |
| Heinz body anaemia | A congenital haemolytic anaemia, due to autosomal inheritance of one of many unstable haemoglobins. The anaemia is of variable severity and characterised by the presence in vivo or in vitro of Heinz bodies. (05 Mar 2000) |
| Heinz body test | <haematology, investigation> A test for glucose-6-phosphate dehydrogenase-deficient red blood cells; an oxidant (acetylphenylhydrazine) is added to blood; after incubation at 37캜, glucose-6-phosphate dehydrogenase-deficient samples exhibit more than 30% Heinz bodies. (05 Mar 2000) |
| Heinz-Ehrlich body | A round oxyphil body found in the red blood cell in case of haemocytolysis due to a specific blood poison. Synonym: Heinz-Ehrlich body. (05 Mar 2000) |