Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
nonspecific defenses
|
defenses against any pathogen AKA innate immunity
|
|
|
first line of defense
|
skin, mucous membranes
|
|
|
second line of defense
|
natural killer cells, phagocytes, inflammation, fever, and antimicrobial substances
|
|
|
specific defenses
|
defenses against a specific pathogen
aka adaptive immunity |
|
|
third line of defense
|
specific defenses. involved recognition of specific microbe. has a memory
cell mediated immune system (T cells) humoral immune system (B cells, antibodies) |
|
|
enterics that infect urinary tract
|
E. coli
Pseudomonas aeruninosa Staph saprophyticus - not enteric but found in waste |
|
|
cystitis
|
bladder inflammation - 8 times more common in women than men
|
|
|
leptospiridosis
|
infection of kidneys.
caused by a spirochete |
|
|
sebum
|
skin oil inhibits growth of some baceria
|
|
|
lysozyme
|
found in ears, saliva..
kills cells |
|
|
phagocyosis
|
ingestion of any particulate matter by a cell
white blood cell system = professional phagocytes 2nd line of defense of the body |
|
|
Toll-like receptors (TLRs)
|
receptors for stuff that we don't have.. like flagellin, LPS, bacterial DNA and stuff.
|
|
|
Neutrophils
|
60-70%
called polymorphonuclear neutrophils (PMNs) professional phagocytes the cops ! can leave blood and enter tissues |
|
|
Basophils
|
inflammation and allergies by releasing histamine
mas cells. fixed in tissues |
|
|
Eosinophils
|
involved in allergies
may be phagocytic involved in helminh infections |
|
|
Dendritic cells
|
Antigen presenting cells (APC's)
found in tissues and lymphs present antigens to T cells and stuff |
|
|
monocytes
|
spend 1-2 days in blood, then go to issues and become a macrophage
|
|
|
macrophage
|
professional phagocytes process antigens
secree biologically active compounds that regulate the immune system cause dialation of capillary beds... pain and swelling |
