BIOL-242 Study Guide - Quiz Guide: Granulocyte, Macrophage, Fibrin
7 May 2020
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Make up <1% of total blood volume 4,800 10,800 wbcs/ l blood. Move through tissue spaces by ameboid motion and positive chemotaxis. Cytoplasmic granules stain specifically with wright"s stain. Mostly in lymphoid tissue (e. g. , lymph nodes, spleen);few circulate in blood. T lymphocytes (t cells) act against virus-infected cells and tumor cells. B lymphocytes (b cells) give rise to plasma cells, which produce antibodies. Leave circulation, enter tissues, and differentiate into macrophages. Actively phagocytic cells; crucial against viruses, intracellular bacterial parasites, and chronic infections. Activate lymphocytes to mount an immune response. Origin of all wbc (stem cells names) and the location of development, myeloblast, monoblasts. White blood cells are produced in bone marrow. All wbcs originate from hematopoietic stem cells hemocytoblasts). Myeloid stem cells give rise to myeloblasts and monoblasts. Myeloblasts give rise to neutrophils, eosinophils, and basophils. Lymphoid stem cells on the other hand, give rise to b and t lymphocyte precursors, which produce b and t lymphocytes respectively.
