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7 intro to para and blood para
introduction to parasitology and blood parasites
20
Microbiology
Undergraduate 4
03/08/2015

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Cards

Term
parasitism
Definition
association of 2 differenct species in which the smaller species lives upon or within the other and has a metabolic dependence upon the larger host
Term
commensal parasite
Definition
2 different species, 1 is benefited, the other is not benefited or injured.
Term
pathogenic parasite
Definition
2 different species, host is injured through activities of other species ex. giardia
Term
host
Definition
the larger species of the parasitic pair (mostly human)
Term
defenitive host
Definition
where the parasite can complete its sexual life cycle
Term
intermediate
Definition
parasite undergoes a developmental cycle, but does not complete its sexual cycle
Term
accidental/incidental host
Definition
ex. humans. get exposure and provide a good environment for growth
Term
carrier host
Definition
be colonized with parasite, and transmit. ex humans
Term
reservior
Definition
usually not human, but a source in nature. ex. raccoons, beavers,
Term
vector
Definition
insect that provides means for transmitting a parasitic diesease
Term
protozoa
Definition
-eukaryotes
-orgnelles for nutrition/locomotion
-2 stages:
1. trophozoite
2. cysts
Term
trophoziotes
Definition
-stage one of protozoa
- feed by engulfing
-classify by movement: flagella, cilia, pseudopodia
Term
cysts:
Definition
stage two of protozoa:
-not all
-non motile
-survival form
-non sexual reproduction
Term
arthropods
Definition
vectors
insects
Term
malaria
Definition
-protozoa
-no cyst form
-
Term
defenitive host for malaria
Definition
mosquitoes
Term
sporrogony
Definition
-sexual production
Term
schizgony
Definition
asexual reproduction
Term
exoerythrocytic phase
Definition
occurs in liver
Term
erythrocytic phase
Definition
-may observe asexual reproduction
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