| plasma scalpel | A scalpel that uses a fine high-temperature gas jet, instead of a blade, for cutting. (05 Mar 2000) |
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| plasma stain | <technique> Plasmatic stainplasmic stain, a stain whose principal affinity is for the cytoplasm of cells. (05 Mar 2000) |
| plasma substitute | A solution of a substance (e.g., dextran) used for transfusion in haemorrhage or shock as a substitute for plasma. Synonym: plasma expander. (05 Mar 2000) |
| plasma substitutes | Any liquid used to replace blood plasma, usually a saline solution, often with serum albumins, dextrans or other preparations. These substances do not enhance the oxygen- carrying capacity of blood, but merely replace the volume. They are also used to treat dehydration. (12 Dec 1998) |
| plasma therapy | Treatment with plasma. (05 Mar 2000) |
| plasma thromboplastin antecedent | <chemical> Stable blood coagulation factor involved in the intrinsic pathway. The activated form xia activates factor ix to ixa. Deficiency of factor xi is often called haemophilia c. Chemical name: Blood-coagulation factor XI (12 Dec 1998) |
| plasma thromboplastin component | <chemical> Storage-stable blood coagulation factor acting in the intrinsic pathway. Its activated form, ixa, forms a complex with factor viii and calcium on platelet factor 3 to activate factor x to xa. Deficiency of factor ix results in christmas disease (haemophilia b). Chemical name: Blood-coagulation factor IX (12 Dec 1998) |
| plasma thromboplastin factor | A coagulation (clotting) factor. Classic haemophilia (haemophilia A) is due to a congenital deficiency in the amount (or activity) of factor VIII. Factor VIII is also known as antihemophiliac factor (AHF) or antihemophiliac globulin (AHG). The gene for factor VIII (that for classic haemophilia) is on the X chromosome so females can be silent carriers without symptoms and males can be haemophiliacs. (12 Dec 1998) |
| plasma thromboplastin factor B | <chemical> Storage-stable blood coagulation factor acting in the intrinsic pathway. Its activated form, ixa, forms a complex with factor viii and calcium on platelet factor 3 to activate factor x to xa. Deficiency of factor ix results in christmas disease (haemophilia b). Chemical name: Blood-coagulation factor IX (12 Dec 1998) |
| plasma volume | Volume of plasma in the circulation. It is usually measured by indicator dilution techniques. (12 Dec 1998) |
| plasma wave | <physics> A disturbance of a plasma away from equilibrium, involving oscillations of the plasma's constituent particles and of an electromagnetic field. Plasma waves can propagate from one point in the plasma to another without net motion of the plasma. (09 Oct 1997) |
| plasmablast | Precursor of the plasma cell. Synonym: plasmacytoblast. Origin: plasma + G. Blastos, germ (05 Mar 2000) |
| plasmacrit | A measure of the percentage of the volume of blood occupied by plasma, in contrast to a haematocrit. Origin: plasma + G. Krino, to separate (05 Mar 2000) |
| plasmacrit test | A serologic screening method used as an aid in the diagnosis of syphilis; after only a few drops of heparinised blood (obtained from a pricked finger) are collected in a special capillary tube, the capillary tube is centrifugated in order to collect plasma, which is then mixed with a 0.01-ml drop of antigen (cardiolipin previously treated with choline chloride as an anti-inhibitor, in order to avoid falsely negative results that may occur with nonheated plasma or serum). After mechanically agitating the antigen-plasma mixture for 4 min, the presence or absence of flocculation is observed. A positive result should not be regarded as conclusively diagnostic, but a negative result excludes the likelihood of syphilis. (05 Mar 2000) |
| plasmacyte | <haematology> A type of non-granular, basophilic leukocyte that produces antibodies. (13 Oct 1997) |
Synonyms : Plasmaphereses
Synonyms : Episome, Plasmid
Synonyms : Aventis Pharma Brand of Plasmin, Fibrogammin, Glu-Plasmin, Protease F, Thrombolysin, Glu Plasmin
Synonyms : Glu-Plasminogen, Glutamic Acid 1-Plasminogen, Glutamyl Plasminogen, 1-Plasminogen, Glutamic Acid, Glu Plasminogen, Glutamic Acid 1 Plasminogen, Plasminogen, Glutamyl
Synonyms : Type 1 Plasminogen Activator Inhibitor
| plasma cell |
a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood
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| plasma membrane |
cell membrane: a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell; "all cells have a cell membrane"
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| plasma protein |
any of the proteins in blood plasma
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| plasma thromboplastin antecedent |
coagulation factor whose deficiency results in a hemorrhagic tendency
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| plasmablast |
the precursor of a plasma cell
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| plasm | multinucleate sheet of cytoplasm characteristic of some stages of such organisms as slime molds |
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| plasm | parasitic protozoan of the genus Plasmodium that causes malaria in humans |