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Lymphatic system

2 functions of the lymphatic system Filtration & immunity
Purpose of lymphatic vessels Filters intracellular fluid ( tissues)
Pathway of the lymphatic system Lymph capillaries ~> lymph vessels ~> Rt lymphatic duct ~> thoracic duct ~> empties into LFT subclavian vein
The lymphatic system flows in one direction away from _____ and towards ______ ______ Tissue & Thoracic Cavity
Lymph Nodes AKA Lymph Glands
Lymph Nodes produce Phagocytes ~> Macrophages Antibodies
Four major concentrations of lymph nodes Cervical, Mediastinal, Axillary, Inginual
What is immunity Body's ability to protect itself from disease (pathogen)
What is resistance To build immunity
What is lack of resistance To be Susceptible
Two types of immunity Natural Immunity & Acquired immunity
What is natural immunity What you were born with
Three types of acquired immunity Passive, active, artificial
What is passive immunity Immunity given to patient ( breast-feeding)
What is Active immunity Produce immune response naturally ( cold )
What is artificial immunity To produce anti-bodies ( vaccine )
Includes T cells plus B cells Immune reaction
Cell mediated immunity ~> Direct action of cells ( phagocyte) T cells
Humoral immunity ~> production of antibodies B cells
Antibodies that react against its own tissues is an Auto immune disorder
Lupus, Erthematosus, Sclerderma and RA Collagen diseases
Lidiopathic, thromboc, topenic purura & acquired hemolytic anemia Hemolytic diseases
Abnormal condition characterized by excessive reaction to a particular stimulus Hypersensitivity
Occurs when an immune system fails to protect itself against foreign materials. Antibodies forms certain body cells causing a hyper sensitive or allergic reaction Hypersensitivity
Occurs at the site where treatment or medication was given Local reaction
Evidence by generalized body systems such as a runny, nose, itchy eyes, hives and rashes Systematic reaction
Severe sometimes fatal hyper sensitive or allergic reaction Anaphylaxis
Antibody reaction can stimulate a massive secretion of histamine Antigen
Created by: Georgia1984