unit 1 definitions

Question 1

immunology

Answer 1

study of immune system

Question 2

immunity

Answer 2

mechanisms that allow you to recognize foreign materials and get rid of them without damaging own tissue

Question 3

innate resistance

Answer 3

defense system that you are born with
–> immediate response, first line of defense

Question 4

monocyte/macrophage

Answer 4

monocytes are a white blood cell that mature into macrophages

macrophages perform phagocytosis –> engulf debris and clears dying cells

Question 5

granulocyte

Answer 5

immune cells that contain granules

Question 6

neutrophil (PMN)

Answer 6

primary job is perform phagocytsis
—> kamakazi mission meaning they perform phagocytosis one then die

Question 7

eosinophil

Answer 7

white blood cell that plays role in fighting allergic reactions

Question 8

nk cell

Answer 8

innate killers whose only job is to kill thorough apoptosis

Question 9

chemotaxis

Answer 9

cell moves to site of infection being drawn by chemotaxins

Question 10

opsonin

Answer 10

tags bacteria for destruction

Question 11

defensin

Answer 11

neutralize toxins and disrupt microbial membranes
–> denature bacterial toxins

Question 12

oxidative burst

Answer 12

using oxygen free radicals to kill ingested pathogens in phagocytosis