Definitions Flashcards
1
Q
Definitive / primary host
A
Host in which parasite
- Reaches maturity
- Reproduces sexually
2
Q
Intermediate / secondary host
A
A host in which parasite
- Short transition period
- Reproduces asexually
3
Q
Reservoir host
A
A host in which
- Serves as a source of infection
- Potential reinfection of human
- Means of sustaining a parasite
- Host is not harmed
4
Q
Vector
A
An organism (biting insect) that transmits a disease from one animal/plant to another
5
Q
Obligate parasite
A
Cannot complete it’s life cycle without a suitable host
6
Q
Facultative parasite
A
- Resorts to parasitic activity
- Does not solely rely on host for completion of its life cycle
7
Q
Temporary parasite
A
An organism that is
- Accidentally ingested and survives briefly in intestine
- “free-living organism”
8
Q
Ectoparasite (multicellular)
A
Lives on surface of host
- I.e. Flea
9
Q
Endoparasite (multicellular)
A
Parasite lives inside of host
- I.e. tapeworm
10
Q
Intracellular (unicellular)
A
Located within a cell or cells
11
Q
Extracellular (unicellular)
A
Located outside a cell or cells