Which of the following is a protective function of blood? Basophiles are a type of white blood cells which has granules in its cytoplasm and contains histamine and heparin (an anticoagulant). The cell membrane of basophils has receptors for immunoglobulin E, and the specific cytoplasmic granules contain histamine and heparin. The movement of basophils is ameboid and is similar to the movement of eosinophils though less active. d)basophils. Mast cells were discovered by Paul Ehrlich in 1877. What important leukocyte can be identified by its blue granules, which contain histamine, and functionally works like a mast cell? a)lymphocytes. mast cell:A cell found in connective tissue that contains numerous basophilic granules and releases substances such as heparin and histamine in response to injury or inflammation of bodily tissues. Basophil, type of white blood cell (leukocyte) that is characterized histologically by its ability to be stained by basic dyes and functionally by its role in mediating hypersensitivity reactions of the immune system. Which leukocyte contains histamine in its granules? Granule contents of basophils are abundant with histamine, heparin , chondroitin sulfate , peroxidase , platelet-activating factor , and other substances. a)maintaining normal body temperature. dehydrogenases, diaphorase, histidine-carboxylase, and peroxidases. e) neutrophils. A mast cell (also known as a mastocyte or a labrocyte) is a resident cell of connective tissue that contains many granules rich in histamine and heparin.Specifically, it is a type of granulocyte derived from the myeloid stem cell that is a part of the immune and neuroimmune systems. However, there are many morphological and biochemical differences between basophil and mast cells. The granules contain acid mucopolysaccharides, histamine, and heparin in large quantities, and numerous enzymes, e.g. Heparin thins blood and inhibits blood clot formation. Histamine dilates blood vessels and increases blood flow, which helps the flow of white blood cells … Thus, it is suggested that these cells act at the connective tissue cooperating with mast cells. The cytoplasm of basophils contains a varied amount of granules; these granules are usually numerous enough to partially conceal the nucleus. - Monocytes - Basophils - Neutrophils - Eosinophils - Lymphocytes Answer: Basophils. b)delivering oxygen from the lungs to all body tissues. In humans histamine is found in nearly all tissues of the body, where it is stored primarily in the granules of tissue mast cells. b)monocytes. Its nucleus is slightly lobed. d. 11. Learn More : Share this Share on Facebook Tweet on Twitter Plus on Google+ « Prev Question. Histamine is also the irritating ingredient present in the venom of many species of wasps and bees. Basophils, along with eosinophils and neutrophils, constitute a group of white Mast cells. Most histamine in the body is generated in granules in mast cells and in white blood cells (leukocytes) called basophils. 25. Storage and release. Like mast cells, basophils have membrane receptors for Fc region of IgE (approximately 2, 70,000 receptors are present in each cell) and the cytoplasm contain histamine – rich granules. a. Basophils b. Naim 20:51 Blood. c) eosinophils. Which leukocyte contains histamine in its granules? Sake contains histamine in the 20–40 mg/L range; wines contain it in the 2–10 mg/L range. The blood cells called basophils also harbour histamine-containing granules. They contain specific granules which are stained by basic dyes such as haematoxylin. 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