Quick Review Cards for Medical Laboratory Science

Types of Immunity Immunology Review 373

TYPE EXPLANATION COMPONENTS MEMORY?

Natural or innate

Acquired or adaptive

No

Yes

Defense mechanisms present

at birth. Not ag specific.

Defense mechanisms that are

antigen specific.

External defense system: intact skin, mucous membranes, cilia

& mucus in respiratory tract, stomach acid, flushing of urine,

lactic acid in vagina, lysozyme in tears & saliva, normal flora

Internal defense system: neutrophils, macrophages, acute

phase reactants, complement

T cells, B cells, plasma cells, antibodies, cytokines