term 2 terms and defintions

antigen

foreign object that stimulates a immune response as it is recognised as ‘non self’, specifically activating lymphocytes

pathogen

infectious microorganism that can spread and enter the body, sub categories are bacteria, fungi and viruses

antibodies

proteins produced by the immune system to protect the body from infections and allergens

protein markers

spilt antigens attached to macrophages

virus

infective agent which mutiple’s and spreads inside a host

receptors

molecules on cells that bind to specific molecules, binding agent. They play a crucial role in cell signaling and communication.

NK =

natural killer cells

WBC

macrophages and neutrophils

MHC

major histocompatibility response