Chapter 5 Flashcards
Innate immunity
a quick response to a predetermined array of chemical signals.
PAMPS vs DAMPS
PAMPS refers to signals and characteristics common of pathogens. DAMPS refers to signals and characteristics common of damage to the body.
Adaptive immunity
A slower form of immunity that has the ability to adapt itself to challenges never previously encountered by the organism.
Immune memory refers to
A stronger reaction to a second exposure of a pathogen.
Inflammatory reaction part of innate or immune?
innate
Neutrophils
Phagocytotic cells that eat pathogens
platlets
adhere collagen to the site of blood vessel injury.
Extravasion
leakage of plasma from dilated vessels
Emigreation
Cells move through walls of blood vessels
Chemotaxis
process of active movement of inflammatory cells to the site of the injury.
Exudate
The fluid, leukocytes, and debris that accumulate as a result of an inflammation.
Bradykinnins
A chemical mediator of inflammation derived from components in the blood plasma.
Septicemia
An infection in which large numbers of pathogenic bacteria are present in the blood streem
Lymphangitis
An inflammation of lymph VESSELS draining a site of infection
Lymphadenitis
An inflammation of lymph NODES draining a site of infection
