viral disease Flashcards
what specific components of viral life cycle do antiviral agents target?
- attachment
- penetration
- inhibition of replication
what are the 3 species of chlamydia?
chlamydia trachomatis
chlamydia pneumoniae
chlamydia psitacci
what are the three types of mycotic diseases?
hypersensitivity
poisoning due to fungal toxins
infection
what do fungal infections end in?
mycoses
what is systemic mycoses?
inhaled fungal spores or deep trauma
what is the treatment of fungal disease?
not antibiotics
what is a parasite?
organism that obtains food and shelter from another organism and derives benefits from this association
what is a protozoa?
live in water
can move with flagella
what is an acanthamoeba?
free living amoebae
what are the 2 stages of Acanthamoeba life cycle?
- actively feeding stage referred to a trophozoite.
- dormant cyst
what is the life cycle of a toxoplasma?
oocysts can infect all warm blooded animals
occurs directly by ingesting substances contaminated with cat faeces.
What is a toxocara?
- roundworm parasite of dogs and foxes
- acquire T.Canis eggs by ingesting soil
what is Visceral toxocariasis?
-caused by migration of larvae through internal organs of humans and resulting inflammatory reaction
what is ocular toxocariasis?
migration of larva into posterior segment of the eye.
what is the most frequent opthalmic worm infection?
Ochocerca
keratitis
optic atrophy.
