definitions Flashcards
tropism
only going to cause the disease (have an effect) on one part of the body eg – salmonella
teratogenic
harms the unborn child
Hardy weinberg principle?
Relative proportions of different genotypes remain constant across generations - this is not always true
Horizontal transmission?
An infected person spreading it eg) Covid
Vertical transmission?
From mother to child
Zoonoses transmission?
From an animal or animal bite
Nosocomial transmission?
An infection or toxin that exists in a specific place eg) hospital
suppuration?
this is the fomration of pus
nuetrophils, bacteria and cellular debris
ulcer?
a local defect or excavation of the surface of an organ or tissue that is produced by the sloughing of inflmmatory necrotic tissue.
commensal
a micro organism which forms part of the normal host microbiota
pathogen
an organism that causes disease
pathogenicity
the capacity to cause disease
pathogenisis
the development of a disease
virulence
a measure of the capacity of the disease
Sporadic
Occasional cases occurring irregularly