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A Basophil granulocyte stains dark purple upon H&E staining. Basophilic is a technical term used by pathologists. It describes the appearance of cells, tissues and cellular structures as seen through the microscope after a histological section has been stained with a basic dye. The most common such dye is haematoxylin.
Basophils are a type of white blood cell. Basophils are the least common type of granulocyte , representing about 0.5% to 1% of circulating white blood cells . [ 1 ] They are the largest type of granulocyte.
Hyaline cartilage coloured with the toluidine blue, in wich you can observe a strong metachromasia of the ground substance. View through optical microscope, 40x magnification. Metachromasia (var. metachromasy ) is a characteristic change in the color of staining carried out in biological tissues , exhibited by certain dyes when they bind to ...
The cytoplasm of basophils contains a varied amount of granules; these granules are usually numerous enough to partially conceal the nucleus. Granule contents of basophils are abundant with histamine, heparin, chondroitin sulfate, peroxidase, platelet-activating factor, and other substances. [23]
Diff-Quik stain highlights cytoplasmic elements such as mucins, fat droplets and neurosecretory granules. Extracellular substances, such as free mucin, colloid, and ground substance, are also easily stained, and appear metachromatic.
A white blood cell differential is a medical laboratory test that provides information about the types and amounts of white blood cells in a person's blood. The test, which is usually ordered as part of a complete blood count (CBC), measures the amounts of the five normal white blood cell types – neutrophils, lymphocytes, monocytes, eosinophils and basophils – as well as abnormal cell ...
An anterior pituitary basophil is a type of cell in the anterior pituitary which manufactures hormones. It is called a basophil because it is basophilic (readily takes up bases), and typically stains a relatively deep blue or purple. [1] These basophils are further classified by the hormones they produce.
Basophilia is the condition of having greater than 200 basophils/μL in the venous blood. [1] Basophils are the least numerous of the myelogenous cells, and it is rare for their numbers to be abnormally high without changes to other blood components.