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An image of the spleen in the human body. Also shows the red and white pulp regions. Splenocytes are spleen cells and consist of leukocytes like B and T cells, dendritic cells, and macrophages. [2] The spleen is split into red and white pulp regions with the marginal zone separating the two areas. The red pulp is involved with filtering blood ...
White pulp is a histological designation for regions of the spleen (named because it appears whiter than the surrounding red pulp on cross section), that encompasses approximately 25% of splenic tissue. White pulp consists entirely of lymphoid tissue.
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Hematoxylin and eosin stain (or haematoxylin and eosin stain or hematoxylin-eosin stain; often abbreviated as H&E stain or HE stain) is one of the principal tissue stains used in histology. [ 1 ] [ 2 ] [ 3 ] It is the most widely used stain in medical diagnosis [ 1 ] and is often the gold standard . [ 4 ]
The red pulp of the spleen is composed of connective tissue known also as the cords of Billroth and many splenic sinusoids that are engorged with blood, giving it a red color. [ 1 ] [ 2 ] Its primary function is to filter the blood of antigens , microorganisms, and defective or worn-out red blood cells.
Mouse skin stained with Masson's trichrome stain. Masson's trichrome is a three-colour staining procedure used in histology . The recipes emerged from Claude L. Pierre Masson 's (1880–1959) original formulation have different specific applications, but all are suited for distinguishing cells from surrounding connective tissue .
Liu's stain is composed of two dyes, Liu A and Liu B. Liu A is the anionic dye, contains eosin Y to stain cytoplasm as well as hemoglobin into red. Liu B, on the other hand, is the cationic dye, contains azur I and methylene azure, to stain nucleus and basophilic granules into blue. To apply the stain on a fixed smear, first add Liu A for some ...
The biological half-life of iodine differs between the various organs of the body, from 100 days in the thyroid, to 14 days in the kidneys and spleen, to 7 days in the reproductive organs. Typically the daily urinary elimination rate ranges from 100 to 200 μg/L in humans. [75]