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Lymphatic/Immune System (Anatomy of the lymphatic system (Vessels, Tissues…
Lymphatic/Immune System
Major functions of the
Lymphatic & Immune systems
lymphatic
production, maintenance and distribution of lymphocytes
return of fluid and solutes from peripheral tissues to the blood
distribution of hormones, nutrients, and waste products form their tissue of origin to the general circulation
immune
Protection from pathogens
Removal of dead cells
Removal of abnormal cells
Anatomy of the lymphatic system
Vessels
Tissues
edema
lymph
lymphatics
capillaries
Right Lymphatic Duct
Thoracic Duct
subclavian vein
lymph nodes
Macrophages
Lymphocytes
fibrous capsule
trabeculae
cortex
follicles
medulla
Spleen
Tonsils
Peyer's Patches
MALT Tissue
Innate/natural immune defenses and Adaptive/acquired immune defenses
innate
response within minutes to protect the body from all foreign substances using two lines of defense
adaptive
similar to an elite fighting force to attach particular foreign substances
humoral vs. cellular response
humoral
T-cells destroy infected cell
Memory T-cells produced
Phagocyte activates T cell
cellular
Antibodies
T cells activate B cells
Memory B cells produced
antigens and antibodies
antibody
Produced to help immune system
Marks foreign cells for destruction
Police the body
Recognizes foreign cells by carbohydrate chains coming off of their cell membrane
Attacks antigens
Change shape to keep attacking the antigen
antigen
Toxin or foreign substance
Attacked by the body's antibodies
Change shape so the antibodies cannot recognize it & attack it
disorders of the Immune system
allergen
antigen that elicits hypersensitivity or allergic reaction
allergy
state of hypersensitivity to normal innocuous antigen resulting form
anaphylactic shock
IgE-mediated allergic reaction that results in circulatory collapse and suffocation
asthma
disease induced by infection
autoimmune disease
disease resulting from immunological attack on normal tissues
histamine
chemical released by mast cells and basophilic that has inflammatory as well as vasoactive properties
AIDS
Acquired immunodeficiency disease