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Blood plasma is a light amber-colored liquid component of blood in which blood cells are absent, but which contains proteins and other constituents of whole blood in suspension. It makes up about 55% of the body's total blood volume. [1] It is the intravascular part of extracellular fluid (all body fluid outside cells).
The most immature blood cell that is considered of plasma cell lineage is the plasmablast. [11] Plasmablasts secrete more antibodies than B cells, but less than plasma cells. [ 12 ] They divide rapidly and are still capable of internalizing antigens and presenting them to T cells. [ 12 ]
Blood plasma, the yellow-colored liquid component of blood, in which blood cells are suspended; Cytoplasm, a jelly-like substance that fills cells, suspends and protects organelles; Germ plasm, a zone in the cytoplasm determining germ cells; Germplasm, a collection of genetic resources for an organism
Extracellular fluid is the internal environment of all multicellular animals, and in those animals with a blood circulatory system, a proportion of this fluid is blood plasma. [4] Plasma and interstitial fluid are the two components that make up at least 97% of the ECF.
Contrary to popular belief, haemoglobin is not a blood protein, as it is carried within red blood cells, rather than in the blood serum. Serum albumin accounts for 55% of blood proteins, [1] is a major contributor to maintaining the oncotic pressure of plasma and assists, as a carrier, in the transport of lipids and steroid hormones.
Plasma is the fourth state of matter. Atoms and normal matter have a nucleus with orbiting electrons. In plasma, the atoms have been torn apart and the electrons ripped away.
Blood serum and plasma are some of the largest sources of biomarkers, whether for diagnostics or therapeutics. Its vast dynamic range, further complicated by the presence of lipids, salts, and post-translational modifications, as well as multiple mechanisms of degradation, presents challenges in analytical reproducibility, sensitivity ...
Blood is composed of blood cells suspended in blood plasma. Plasma, which constitutes 55% of blood fluid, is mostly water (92% by volume), [2] and contains proteins, glucose, mineral ions, and hormones. The blood cells are mainly red blood cells (erythrocytes), white blood cells (leukocytes), and (in mammals) platelets (thrombocytes). [3]
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