Platelet And Blood Group | Human Anatomy And Physiology Ii
Platelet And Blood Group
Instructor: Dr. Mohammad Abu Awad
Instruction Year: 2019 (Second Semester)
Platelets are cytoplasmic fragments of extraordinarily large cells called megakaryocytes. Their granules contain lots of chemicals that act in the clotting process, (including serotonin, Ca2+, a variety of enzymes, ADP, and platelet derived growth factor (PDGF)). Platelets play an important role in hemostasis. Blood type is based on the presence of 2 major antigens in RBC membranes-- A and B.
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