Disease Flashcards
Syndrome
Group of symptoms that produce a disorder
Don’t always have the same or a definite cause
Congenital Disease
Classification
People are born with it
Degenerative
Classification
Will get worse no matter what
Direct
Transmission
Contact with infected skin
Indirect
Transmission
Via a non-living object
Vector
Transmission
Via living organsim
Other animals
White Muscle
Reacts quickly
Rapid chemical reaction
Platelets
Function
Stop bleeding
Cell fragments
Macrophages
Function
Eat dying cells
Second line of defence
Seabum
Makes skin water-proof
Oil from hair
First line of defence
Fever
Function
Slow viruses
Raise body temperature
Phagocytes
Function
Surround and ingest viruses
White blood cells
Second line of defence
Antibodies
Cause virus to stick to itself so it can be swept away
Targets virus
Third line of defence
First line of defence
Physical and chemical barriers
Blocks pathogens from entering the body
Second line of defence
Non specific defences
Protects inside body from any attack
Neutrophils
Seek foreign materials
Second line of defence
Third line of defence
Specific defence
Targets particular viruses
Lymphocyte B
Produce antibodies
White blood cells
Third line of defence
Lymphocite T
Attack virus
White blood cells
Third line of defence
Antigen
Indevidual identifying marker on a pathogen
Memory cells
Dead B & T cells are stored to be used if the body encounters the same virus again
Lymphatic System
Network of lymphatic vessels
Carry lymph through body
Lymph
Clear fluid containing immune cells
Herd immunity
having a large number of people vaccunated prtects small number who aren’t
Vaccines
Create memory cells without the risks of infection
