definitions Flashcards
non-communicable
not passed down from anyone e.g. dementia
communicable
passed down from someone/anyone else
phage
comes from ‘bacteriophage’, a virus that attacks bacteria
pathogen
a disease causing microorganism (e.g. fungi, bacteria) these are not the disease, they cause the disease
toxin
poisonous substance made by a pathogen
antitoxin
substance that is made to neutralise the effect of the pathogen
antigen
a protein which is found on the outside of cells that gives the cell a unique identity
memory cell
a type of lymphocyte which make antibodies that are specific to a particular antigen. they are stored in the immune system and can be activated when the pathogen attacks
lymphocyte
type of white blood cell
monoclonal antibody
they are all specific for the same antigen. this is because they are made by identical cells/clones
hybridoma cells
fusion of spleen cells and myeloma cells
myeloma cells
tumour cells