Immunology Flashcards
what is the main role of the immune system
to identify and eliminate harmful organisms and substances from the body
is the innate immune system quick or slow
quick
does the innate system target specific or general pathoegns?
general
which acquires memory, adaptive or innate?
adaptive
how dow e protect our eyes from pathogens
by blinking
what is the first physical barrier in the eye
tear production- used for flushing out and is an anti adhesive layer
what 2 things does the acquired immune system need
antigen presenting cells and lymphatic drainage to node
what does the conjunctiva have that is useful for acquired immuity
lymphatic drainage, dendritic cells and mucosa associated lymphoid tissue and commensal bacteria
what is the cornea and sclera
a tough collagen coat- no lymphocytes and few antigen presenting cells and is AVASCULAR
what is immune privilege
areas of body are exposed to antigens but do not elicit a response
what are areas in the body that have immune privilege
brain, testes, placenta/ foetus and eyes
what is ACAID
immune system forms tolerance to foreign antigen= anterior chamber associated immune deviation
what is sympathetic ophthalmia
bilateral granulomatous uveitis due to trauma to one eye
what is the injured and non injured eye called
injured- exciting eye and non injured- sympathizing
if the immune system is hyperactive, is it more likely to reject or accept a transplanted organ
reject!!!
