Equine immunity Flashcards
1
Q
Immunity
A
Ability of an organism to resist disease
2
Q
Antigen
A
Any substance that elicits an immune response
- Enemy invader
- usually a bacteria or virus
3
Q
Antibodies
A
Made in response to specific antigens; can inactivate the antigen that triggered the antibody formation
4
Q
The 2 ways the body fights back
A
-surface barriers
(skin, mucosa)
-2 immune mechanisms
(cellmediated immunity, humoral immunity)
5
Q
Cell mediated immunity
A
Cell activates itself to defend against the attack
6
Q
Humoral Immunity
A
Cell produces antibodies carried in blood to combat the intrusion
7
Q
The 3 defense cells
A
Macrophage cells
Lymphocyte T cells
Lymphocyte B cells
8
Q
Macrophage
A
- Type of cell normally present in the blood
- Detects the enemy and engulfs (eats) it
- Cell mediated immunity
9
Q
T-Helper cell function
A
Communication link between the body’s macrophages and B cells
10
Q
B-Cell function
A
Produces antibodies custom tailored for the type of enemy antigen
