ch 44 immunity Flashcards
two main types of immunity
innate and adaptive
innate immunity is found in
all animals
adaptive immunity is found in
vertebrates only
3 levels of innate immunity
barrier defense, internal defense, inflammatory response
examples of barrier defense
sweat, skin, tears, mucuos
examples of internal defense
phagocytosis, natural killer cells
examples of inflammatory response
pain, swelling, warmth, pus
what are evasions of immunity
strep and tb
what is adaptive immunity
enhances by previous exposures,
eg; chicken pox
slow,
recognition of traits using receptors
what is a humoural reponse
antibodies defend
what ia a cell immediated response
an immune response that does not rely on the production of antibodies.
adaptive immunity relies on what cells
T and B cells
both are WBCs
where do b and t cells migrate to
the thymus gland
what is an antigen
portion of foreign molecule that is recognized by T cells
receptors of antigens are called what
epitopes