INTRO TO PARASITOLOGY Flashcards
- organism that lives on & in other living organisms for survival and causes human infection & diseases
parasites
organisms that harbor the parasite & provide its nourishment
Host
single celled parasite
protozoa
worms od metazon - multi-celled
helminths
parasite deprive the host for essential nutrients
parasitism
species that benefits to the detriment of the other
symbiont
live outside of host body (e.g. fleas, lice)
ectoparasites
live inside the host body (e.g. helminths or worms)
endoparasites
invasion of the body by ectopara
infestation
invasion of the body by endopara
infection
must exist parasite inside or host (e.g. plasmodium, hookworms)
obligate parasite
can live independently/free living parasites
facultative parasite
remain in a host from early life to maturity
permanent parasite
simply visit the host during feeding time
intermittent parasite
becomes fixes in unusual organ different from which is ordinarily parsitized
erratic parasite