| platelet membrane glycoproteins | Surface glycoproteins on platelets which have a key role in haemostasis and thrombosis such as platelet adhesion and aggregation. Many of these are receptors. (12 Dec 1998) |
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| platelet storage pool deficiency | A group of disorders characterised by a decrease or lack of platelet dense bodies in which the releasable pool of adenine nucleotides and 5ht are normally stored. (12 Dec 1998) |
| platelet thrombosis | Thrombosis due to an abnormal accumulation of platelets. (05 Mar 2000) |
| platelet tissue factor | <haematology> Traditional name for substance in plasma that converts prothrombin to thrombin. Now known not to be a single substance. (See thrombin). (18 Nov 1997) |
| platelet transfusion | The transfer of blood platelets from a donor to a recipient or reinfusion to the donor. (12 Dec 1998) |
| platelet-activating factor | <cytokine> Potent phospholipid activator and mediator of many leucocyte functions, including platelet aggregation, inflammation, and anaphylaxis. It is produced in response to specific stimuli by a variety of cell types, including neutrophils, basophils, platelets, and endothelial cells. Several molecular species of platelet-activating factor have been identified which vary in the length of the O-alkyl side chain. It is an important mediator of bronchoconstriction. Synonym: platelet-aggregating factor. Acronym: PAF (20 Sep 2002) |
| platelet-aggregating factor | <cytokine> Potent phospholipid activator and mediator of many leucocyte functions, including platelet aggregation, inflammation, and anaphylaxis. It is produced in response to specific stimuli by a variety of cell types, including neutrophils, basophils, platelets, and endothelial cells. Several molecular species of platelet-activating factor have been identified which vary in the length of the O-alkyl side chain. It is an important mediator of bronchoconstriction. Synonym: platelet-aggregating factor. Acronym: PAF (20 Sep 2002) |
| platelet-derived growth factor | <growth factor> The major mitogen in serum for growth in culture of cells of connective tissue origin. It consists of 2 different but homologous polypeptides A and B (~30,000 D) linked by disulphide bonds. Believed to play a role in wound healing. It is carried in the alpha-granules of platelets and is released when platelets adhere to traumatised tissues. Connective tissue cells near the traumatised region respond by initiating the process of replication. The B chain is almost identical in sequence to p28sis, the transforming protein of simian sarcoma virus, that can transform only those cells that express receptors for platelet derived growth factor, suggesting that transformation is caused by autocrine stimulation. The receptor is a tyrosine kinase. Acronym: PDGF (12 Dec 1998) |
| plateletpheresis | The preparation of platelet concentrates with the return of red cells and platelet-poor plasma to the donor. (12 Dec 1998) |
| platelets | A particle found in the bloodstream that binds to fibrinogen at the site of a wound to begin the blood clotting process. Platelets are formed in bone marrow, where they arise from cells called megakaryocytes. (09 Oct 1997) |
| platelike atelectasis | Collapse of the portion of the lung distal to an obstructed subsegmental bronchus, manifested as a linear opacity on a chest radiograph. See: Fleischner lines. Synonym: platelike atelectasis. (05 Mar 2000) |
| platetrope | <anatomy> One of a pair of a paired organs. Origin: Gr. Breadth + to turn. Source: Websters Dictionary (01 Mar 1998) |
| plathelminth | <zoology> One of the Platyelminthes. Source: Websters Dictionary (01 Mar 1998) |
| plathelminthes | <zoology> Same as Platyelminthes. Source: Websters Dictionary (01 Mar 1998) |
| platina | <chemistry> Platinum. Platina mohr, platinum black. Platina yellow, a pigment prepared from platinum. Origin: Sp. Or NL. See Platinum. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : Glycoproteins IIb-IIIa, Integrin alpha-IIb beta-3, GPIIb IIIa Receptors, Glycoproteins IIb IIIa, Integrin alpha IIb beta 3, Platelet Glycoprotein GPIIb IIIa Complex, Receptors, GPIIb-IIIa, alphaIIbbeta3, Integrin, beta-3, Integrin alpha-IIb
Synonyms : CD41 Antigen, CD41 Cell Surface Antigen, GP IIb, GPalpha IIb, HUPL-ml Surface Antigen, Integrin alpha IIb, Membrane Glycoprotein IIb, Plasma Membrane Glycoprotein IIb, Antigen, CD41, Antigen, HUPL-ml Surface, Glycoprotein IIb, Membrane, HUPL ml Surface Antigen
Synonyms : PM-GPs, Platelet Glycoproteins, Glycoproteins, Platelet, Glycoproteins, Platelet Membrane, Membrane Glycoproteins, Platelet
Synonyms : Deficiency, Platelet Storage Pool, Deficiency, Storage Pool, Storage Pool Deficiency, Platelet, Deficiencies, Storage Pool, Storage Pool Deficiencies
Synonyms : Blood Platelet Transfusions, Platelet Transfusion, Blood, Platelet Transfusions, Platelet Transfusions, Blood, Transfusion, Blood Platelet, Transfusion, Platelet, Transfusions, Blood Platelet, Transfusions, Platelet
| Platyhelminthes |
flatworms
Ãâó: wordnet.princeton.edu/perl/webwn
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| platyrrhine |
of or related to New World monkeys having nostrils far apart or to people with broad noses New World monkey: hairy-faced arboreal monkeys having widely separated nostrils and long usually prehensile tails
Ãâó: wordnet.princeton.edu/perl/webwn
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| platysmal reflex |
contraction of the pupil upon nipping of the platysma.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| plate |
A plate is a type of dishware, being a broad, concave but mainly flat vessel on which food is served. Plates are commonly made from porcelain, plastic, or glass; occasionally, wood or carved stone is used. Some porcelain plates are decorative in nature and are meant to be displayed rather than to be eaten from. The nonpourous nature of plates made of glass makes it easier to a achieve ritual separation of meat and dairy according to the laws of kashrut. ...
Ãâó: en.wikipedia.org/wiki/Plate_(dishware)
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| plateau |
In geology and earth science, a plateau (alternatively spelt in a false French spelling pl?eau, the real spelling in French being plateau) is an area of highland, usually consisting of relatively flat open country if the uplift was recent in geologic history. Plateaus (or pl?eaux), like mesas and buttes, are formed when land has been uplifted by tectonic activity and then eroded by wind or water. ...
Ãâó: en.wikipedia.org/wiki/Pl?eau
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| PLAT | a sheet of metal or wood or glass or plastic |
|---|---|
| PLAT | a shallow receptacle for collection in church |
| PLAT | structural member consisting of a horizontal beam that provides bearing and anchorage |
| PLAT | a full-page illustration (usually on slick paper) |
| PLAT | a flat sheet of metal or glass on which a photographic image can be recorded |
| PLAT | the positively charged electrode in a vacuum tube |
| PLAT | any flat platelike body structure or part |
| PLAT | a main course served on a plate |
| PLAT | the thin under portion of the forequarter |
| PLAT | a rigid layer of the lithosphere that is believed to drift slowly |
| PLAT | the quantity contained in a plate |
| PLAT | coat with a layer of metal |
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