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Immune
Cells of the immune system
18
Immunology
Undergraduate 1
05/30/2018

Additional Immunology Flashcards

 


 

Cards

Term
B lymphocytes
Definition
Produce antibodies to destroy specific antigens
Term
Antigen
Definition
a substance the body recognizes as foreign that can trigger an immune response
Term
Antibody
Definition
a substance produced by the body that inactivates or destroys an antigen
Term
Lymph
Definition
a clear fluid with a composition comparable to blood plasma
Term
Lymph Capillaries
Definition
one cell thick and overlap in a way that fluid enters the capillaries and cannot flow back
Term
Lymph Vessels
Definition
carry lymph away from tissues
Term
Tonsils
Definition
(palantine, pharyngeal and lingual)
Produce lymphocytes and antibodies
Term
Spleen
Definition
large blood supply
filters blood
stores blood
forms lymphocytes, monocytes, and plasma cells
destroys old RBC’s
phagocytosis (engulfs bacteria and destroys it)
forms RBC’s before birth
Term
Thymus
Definition
make T-lymphocytes. Larger in infancy then shrinks
Term
B-cells
Definition
stay in bone marrow– produce antibodies to destroy
specific antigens
Term
T-cells
Definition
migrate to thymus – attack and destroy antigens
Term
Killer T's
Definition
Directly attacks and destroys the invading antigen/pathogen
Term
Helper T's
Definition
Secrete a substance that stimulates B-cells to divide and helps bring about the immune response
Term
Suppressor T's
Definition
inhibit the action of T and B cells to end the reaction to the antigen after it has been destroyed
Term
Memory T's
Definition
remember the specific antigen so that if it is introduced again to the body, the response is faster and more intense
Term
Plasma Cells
Definition
produce antibodies to attack antigen
Term
Memory B Cells
Definition
remember antigen if body is exposed again
Term
Phagocytosis
Definition
White cells take in and destroy bacteria and foreign materials
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