| polyandric | Pertaining to, or characterised by, polyandry; mating with several males. "Polyandric societies." Origin: Cf. Polyandrique. Source: Websters Dictionary (01 Mar 1998) |
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| polyandrous | <botany> Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle. Source: Websters Dictionary (01 Mar 1998) |
| polyandry | 1. <plant biology> Describes the condition of a plant whose flowers have many stamens (male pollen-producing structures). 2. Describes the practice of a woman having two or more husbands at the same time. (09 Oct 1997) |
| polyanetholesulfonate | <chemical> (e)-1-methoxy-4-(1-propenyl)benzene homopolymer, sulfonated, sodium salt. A compound originally developed as an anticoagulant, but possessing anticomplement action and lowering the bactericidal action of blood. It is used in vitro to inhibit blood coagulation and as a diagnostic reagent to encourage the growth of pathogens in the blood. It is also used to stabilise colloidal solutions such as milk and gelatin. Chemical name: Benzene, 1-methoxy-4-(1-propenyl)-, (E)-, homopolymer, sulfonated, sodium salt (12 Dec 1998) |
| polyangiitis | Inflammation of multiple blood vessels involving more than one type of vessel, e.g., arteries and veins, or arterioles and capillaries. (05 Mar 2000) |
| polyanion | <biochemistry> Macromolecule carrying many negative charges. The commonest in cell biological systems is nucleic acid. (11 Jan 1998) |
| polyanthus | <botany> The oxlip. So called because the peduncle bears a many-flowered umbel. See Oxlip. A bulbous flowering plant of the genus Narcissus (N. Tazetta, or N. Polyanthus of some authors). Origin: NL, fr. Gr. Rich in flowers; many + flower Source: Websters Dictionary (01 Mar 1998) |
| polyarteritis | Simultaneous inflammation of a number of arteries. (05 Mar 2000) |
| polyarteritis nodosa | <radiology> Necrotizing vasculitis of medium-sized arteries, usually in male adults, associated with hepatitis B antigen, kidney: most frquently involved organ (85%), multiple small intrarenal aneurysms, aneurysms may disappear (thrombosis) or appear in new locations, arterial narrowing and thrombosis (chronic/healing stage), multiple small cortical infarcts, associated with hypertension and renal failure, chest involvement (70%), cardiomegaly/pericardial effusion (14%), wedge shaped/round peripheral infiltrates simulating PE (14%), interstitial lower lung field pneumonitis, also may involve liver (66%), mesenteric vessels (50%), skeletal muscle (39%), skin (20%) (12 Dec 1998) |
| polyarthric | Relating to or involving many joints. Synonym: polyarthric, polyarticular. Origin: multi-+ L. Articulus, joint (05 Mar 2000) |
| polyarthritis | <pathology> An inflammation of several joints together. Origin: Gr. Arthron = joint (18 Nov 1997) |
| polyarthritis chronica | An obsolete term for rheumatoid arthritis. (05 Mar 2000) |
| polyarthritis chronica villosa | A chronic inflammation confined to the synovial membrane, involving a number of joints; it occurs in women at the menopause and in children. (05 Mar 2000) |
| polyarthritis rheumatica acuta | An obsolete term for polyarthritis associated with rheumatic fever. (05 Mar 2000) |
| polyarticular | Involving many joints. As opposed to monoarticular (affecting just one joint). From the latin articulus, meaning a joint. (12 Dec 1998) |