04L Immunity.pdf……..)/&/9/&:&:&&;&;&;&;&&;&;&

Banal all day and then the rest is the rest I have a little break from the day I get home from school I will call him and let you guys have some fun with it I will text him when I’m on the road I will call me back and I love him so I love him very proud and proud and proud and I will see him in a few hours and I’ll be there for him and I’ll see him when he comes back to the office and he gets back home I will be there for a while and then I can call him back to you and let you guys have fun love

1. Immunity
“Ability of human body to resist invading bacteria and
toxinsthat tendtodamage tissuesandorgans, iscalled
immunity.”
Class notes by Dr. Hira Hameed

2. ClassificationofImmunity
InnateImmunity:
Itisnatural“general”resistanceofbodytoinvading
bacteriaandtoxins;e.ginnateimmunityresistparalytic
virusinfection.
Mechanisms:Skin,Stomachacids&enzymes,tissues.
Class notes by Dr. Hira Hameed

3. PassiveImmunity:
Itistemporaryimmunityachievedby
transfusionof“antibodiesorsensitizedT-cells”
ExamplesareATSandcolostrum.
Class notes by Dr. Hira Hameed

4. Acquired orActive Immunity:
It is “specific” resistance of body to invading
bacteriaand toxins.
HumoralImmunity
Cell-MediatedImmunity
Class notes by Dr. Hira Hameed

5. After production of lymphocytes some go to thymus
gland, after process converted into T-cells, other go
to liver & thengotobone marrow& converted into
B-cells.(Bfor bursa offabricius)
Othertypesoflymphocytes:
T-cytotoxiccells.
T-helpercells
T-suppressorcells
Class notes by Dr. Hira Hameed

6. Class notes by Dr. Hira Hameed

7. Antigen:“Foreignprotein/polysaccharidewhichcan
initiate/exciteimmunesystem”
Theyhave molecularweight morethan8000 but if
molecularweightis less than8000thenknownasheptans.
Class notes by Dr. Hira Hameed

8. Antibody:“Gammaglobulinproducedinresponse
tospecificAg”
Class notes by Dr. Hira Hameed

9. Autoimmunity
“Autoimmunity is the failure of an organism in recognizing
its own constituent parts as self, thus leading to an immune
responseagainstits owncells andtissues.”
Class notes by Dr. Hira Hameed

10. ComplementSystem
The complement system helps or “complements” the ability of
antibodiesandphagocyticcellstoclearpathogensfromanorganism
Types:
▶ClassicalPathway
▶AlternativePathway
Class notes by Dr. Hira Hameed

11. Alternative
Pathway
ClassicPathway
Class notes by Dr. Hira Hameed

12. —Involvedintheclottingprocess
—Sealwoundsandpreventbloodloss
—Helprepairdamagedvessels
—350,000–500,000permicroliterofblood
—Plateletsstainbluishwithreddishorpurplegranules
Platelets
Class notes by Dr. Hira Hameed

13. Class notes by Dr. Hira Hameed