normal human plasma

normal human plasma

n.

Sterile plasma obtained by pooling the liquid portion of whole blood to which has been added a solution of potassium or sodium citrate, or both, from eight or more healthy adult humans and by exposing it to ultraviolet light to destroy bacterial and viral contaminants.

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normal human plasma

Etymology: L, norma, rule, humanus + Gk, plassein, to mold

sterile, disease-free human blood prepared from a pooled donor supply.

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plasma (plaz´m),

n the fluid portion of the blood that, after centrifugation, contains all the stable components except the cells. It is obtained from centrifuged whole blood that has been prevented from clotting by the addition of anticoagulants such as citrate, oxalate, or heparin.

plasma accelerator globulin,

n See proaccelerin and accelerator, prothrombin conversion, I.

plasma cell,

n a lymphoid or lymphocyte-like cell found in the bone marrow, connective tissue, and sometimes the blood. Plasma cells are involved in the immunologic mechanism. See also cell, plasma.

plasma, normal human,

n pooled sterile plasma from a number of persons to which a preservative has been added. It is stored under refrigeration or desiccated for later use as a substitute for whole blood.

plasma, platelet-rich (PRP),

n a type of blood that contains high levels of platelets consisting of numerous growth factors. It can be used as one component assisting in the acceleration of tissue healing in bone regeneration.

plasma proteolytic enzyme,

n See plasmin.

plasma spray,

n the focused shooting of ceramic or metal powders on a hot plasma flame to initiate further heating and then rapid cooling, resulting in a thick coated surface on an implant.

plasma thromboplastin antecedent,

n a factor required for the development of thromboplastic activity in plasma. Also called
antihemophilic factor C, factor XI, PTA, and
plasma thromboplastin factor C.

plasma thromboplastin component,

n a clotting factor in normal blood necessary for the development of thromboplastic activity in plasma. A deficiency results in Christmas disease. Also called
antihemophilic factor B, autoprothrombin II, Christmas factor, factor IX, platelet cofactor II, and
PTC. See also factor IX.