Plasma

Definition of Plasma

Plas´ma
n.1.(Min.) A variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. It was much esteemed by the ancients for making engraved ornaments.
2.(Biol.) The viscous material of an animal or vegetable cell, out of which the various tissues are formed by a process of differentiation; protoplasm.
3.Unorganized material; elementary matter.
4.(Med.) A mixture of starch and glycerin, used as a substitute for ointments.
5.same as blood plasma.
6.(physics) a state of matter in which charged particles such as electrons and atomi nuclei have sufficiently high energy to move freely, rather than be bound in atoms as in ordinary matter; it has some of the properties of a gas, but is a conductor of electricity.
Blood plasma
(Physiol.) the colorless fluid of the blood, in which the red and white blood corpuscles are suspended. It may be obtained by centrifuation of blood to remove the blood cells. It is distinguished from serum in that plasma still has the fibrin of blood, and may be clotted, while in serum the fibrin has been removed.
Muscle plasma
(Physiol.) the fundamental part of muscle fibers, a thick, viscid, albuminous fluid contained within the sarcolemma, which on the death of the muscle coagulates to a semisolid mass.

Related Words

Rh factor, Rh-negative, Rh-positive, Rh-type, Rhesus factor, antibody, antigen, arterial blood, blood, blood bank, blood cell, blood count, blood donor, blood donor center, blood group, blood grouping, blood picture, blood platelet, blood pressure, blood serum, blood substitute, bloodmobile, bloodstream, circulation, clinical dextran, dextran, erythrocyte, globulin, gore, grume, hematics, hematologist, hematology, hematoscope, hematoscopy, hemocyte, hemoglobin, hemometer, humor, ichor, isoantibody, leukocyte, lifeblood, neutrophil, opsonin, phagocyte, plasma substitute, red corpuscle, serum, type O, venous blood, white corpuscle
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