Week 6 Flashcards
Anemia
Decreased number of RBCs
Hematology
Medical specialty of the blood and its disorders
Plasma
Fluid, noncellular component of blood
Platelet (thrombocyte)
Small particle involved in the clotting process
Serum
Fluid remaining after removal of blood cells and the formation of a clot
Erythrocyte
RBC
Hemoglobin
Red-pigmented protein that is the main component of RBCs
Hemolysis
Destruction of RBCs so that Hb is liberated
Hypoxia
Below normal levels of oxygen in tissues
Pallor
Paleness to skin
Pancytopenia
Deficiency of all types of blood cells
Coagulation
Process of blood clotting
Embolus
Detached piece of thrombus, a mass of bacteria, quantity of air, or foreign body that blocks a blood vessel
Fibrin
Stringy protein fiber that is a component of blood clot
Hematoma
Collection of blood that has escaped from vessels into surrounding tissues
Hemostasis
Control of or stopping bleeding
Antibody
Protein produced in response to an antigen
Antigen
Substance capable of triggering an immune response
Infusion
Introduction intravenously of a substance other than blood
Transfusion
Transfer of blood or a blood component from donor to recipient
Allergen
Substance creating a hypersensitivity rxn (allergic)
Node
A circumscribed mass of tissue
Pathogen
A disease-causing microorganism
Efferent
Moving away from a center
Afferent
Moving towards a center
Immune
Protected from an infectious disease
Interstitial
Pertaining to spaces between cells in a tissue or organ
Autoimmune
Immune rxn directed against a person’s own tissue
Anaphylaxis
Immediate severe allergic response
Hypersensitivity
Exaggerated abnormal rxn to an allergen
Immunodeficiency
Failure of the immune system
Immunosuppression
Failure of the immune system caused by an outside agent