Vocabulary Flashcards
1
Q
ectoparasite
A
lives on outer surface of its host
2
Q
endoparasite
A
lives inside its host
3
Q
facultative parasite
A
- creates relationship with a host if opportunity is there
- can live independently from a host
4
Q
obligatory parasite
A
- biologically dependent on the host
- can only survive with a host
5
Q
aberrant parasite
A
characteristic of the host, but found in unusual location within the host
6
Q
accidental or incidental parasite
A
found on a host other than its normal host
7
Q
definitive host
A
- in which parasite reaches sexual maturity
- where the parasite has sex
- if no sexual reproduction occurs, is the most important host
8
Q
intermediate host
A
- some development or asexual reproduction occurs
- sexual maturity does not occur
9
Q
reservoir host
A
- a “living source” of the parasite
- not a host of primary concern
10
Q
vector
A
- intermediate host that actively transmits a disease organism
- required for life cycle of the parasite
ex. mosquito
11
Q
direct life cycle
A
- single host
- monoxenous parasite
- “hand-to-mouth” cycles
12
Q
indirect life cycle
A
- two or more hosts
- heteroxenous parasite
13
Q
hematophagous arthropod
A
- feed on blood of other animals
- commonly actively transmit pathogens
14
Q
vector competence
A
- ability of a vector to support development and/or replication of a pathogen
- needs compatibility between vector and pathogen
15
Q
extrinsic incubation period
A
time it takes for the pathogen to develop from the time it was taken up to the time it was transmitted
