Chapter 15 Vocab

antibody

a protein made in response to an antigen

antigen

substances that causes the body to make a specific immune response

basophil

involved in allergic and inflammatory reactions

chemokines

commmunicating/signaling cells

chemotaxis

the migration of cells toward attractant chemicals or away from repellents

complement cascade

proteins that assists in destroying pathogens

edema

swelling caused by too much fluid trapped in the body’s tissues

eosinophil

a type of disease fighting white blood cell

eosinophilia

a higher than normal level of eosinophil

granulocytes

named for the prominent cytoplasmic granules they posses

Leukocytosis

a high white blood cell count

Leukopenia

an abnormally low number of circulating leukocytes

lysozyme

antimicrobial agent that is found in bodily secretions; provides protection against microbes

macrophage

develop from monocytes during inflammatory response to infections

monocyte

a type of white blood cell and a type of phagocyte

neutrophil

a white blood cells that’s an important part of the body and helps fight infection'; one of the most important phagocytes

nonspecific host defense mechanisms

general and serve to protect the body against many harmful substances

opsonization

process by which phagocytosis is facilitated by the deposition of opsionins

phagosome

a vesicle formed around a particle engulfed by a phagocyte via phagocytosis

purulent exudate

one in which there are a lot of active and and dead neutrophils

pyogenic microbes

pathogenic organisms that release certain cellular or toxic metabolites and leukocidins

transferrin

glycoprotein from liver that has a high affinity for iron and bind to it thus depriving pathogens of it

vasodilation

the dilation of blood vessles which decreases blood pressure