PSIO 485 Study Guide - Midterm Guide: Oncotic Pressure, Thrombus, Polycythemia
11 May 2015
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Similar to mast cells, stores and releases histamine and heparin circular, jagged edges. Purple: eosinophils (phagocytes): allergic conditions (asthma and hay fever) , parasitic infestations (worms), agranulocytes, monocytes: become phagocytes. Circulate in blood for a couple of days before moving out into the tissues. Becomes macrophage when it migrates out of the vessels. b. c. 2-3 microns in diameter (1/4 of a rbc), adehesion aggregation, secretion, and coagulatgion: coagulation cascade: a. Initiation : intrinsic extrinsic pathways lead to factor which proceeds to clot formation thrombin plus fibrinogen form: blood clot is a mesh of proteins that stabilize the platelet plug and trap other cells. Strands of mesh made of fibrin- which is the end product of coagulation from activated transformed clotting factors: components non cellular, plasma, 90% water- which is a transport medium. Can absorb and distribute heat generated during metabolism. Etiology: cell size cystic and hemoglobin content chromic : morphology, macrocytic-normochromic: large abnormally shaped rbcs with normal hemo.
