MODULE 4 Flashcards
disease
a condition that impairs the normal functioning of an organism
pathogen
an organism that causes diseases
communicable disease
a disease that can spread between organisms
direct transmission
when a disease is transmitted directly from one organism to another
indirect transmission
when a disease is transmitted from one organism to another via an intermediate
t helper cells
release substances to activate B lymphocytes and t killer cells
t killer cells
attach to and kill cells that are infected with a virus
t regulatory cells
these suppress the immune response from other white blood cells
active natural immunity
when you become immune after catching a disease
active artificial immunity
when you become immune after you’ve been given a vaccination containing a harmless dose of antigen
passive natural immunity
when a baby becomes immune due to the antibodies it receives from the mother through placenta and in breast milk
passive artificial immunity
when you become immune after being injected with antibodies from someone else
autoimmune disease
when an organisms immune system is not able to recognise self antigens, chronic disease
antibiotic
chemicals that kill of inhibit the growth of bacteria
personalised medicines
medicine that are tailored to an individuals DNA
synthetic biology
involves using technology to design and make things like artificial proteins, cells and microorganisms
biodiversity
the variety of living organisms in an area