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Physio Ch 12 Vocab

Blood

QuestionAnswer
Hematocrit The percentage of the formed elements, predominately red blood cells
Plasma Clear, straw-colored liquid that is a complex mixture of water, amino acids, proteins, carbohydrates, lipids, vitamins, hormones, electrolytes, and cellular wastes.
Red Blood Cells Erythrocytes
Hemoglobin Oxygen carrying pigment of a red blood cell
Erythropoietin Hormone that controls the rate of red blood cell formation
Anemia Condition caused by too few red blood cells or not enough hemoglobin
White Blood Cells Leukocytes
Granulocytes Leukocytes with granular cytoplasm
Agranulocytes Leukocytes without cytoplasmic granules
Neutrophils White blood cell that phagocytizes small particles
Eosinophils White blood cell that kills parasites and helps control inflammation and allergic reactions
Basophils White blood cell that releases heparin and histamine
Monocyte White blood cell that phagocytizes large particles
Lymphocyte White blood cell that provides immunity
Platelets Thrombocytes; helps control blood loss from broken blood vessels
Megakaryocytes A large cell in bone marrow that shatters, giving rise to platelets
Thrombopoietin A hormone that triggers the release of platelets
Hemostasis The stoppage of bleeding
Vasospasm The smooth muscles in the walls of a blood vessel contract
Coagulation Formation of a blood clot
Fibrin Threads of protein that create a blood clot
Thrombus A blood clot abnormally forming in a vessel
Embolus A thrombus that has dislodged
Agglutination The clumping of red blood cells
Antigens A chemical that stimulates lymphocytes to produce antibodies
Antibodies A protein produced in response to a non-self antigen
Created by: jmglbrt
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