Introduction to parasitology questions and answers
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Course
Parasitology -
Institution
Parasitology -
symbiosis
Both partners benefit
commensalism
one partner benefits and the other is unaffected
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parasitism
One organism benefits at the expense of the other. All...
Introduction to parasitology
questions and answers
symbiosis
Both partners benefit
commensalism
one partner benefits and the other is unaffected
Previous
Play
Next
Rewind 10 seconds
Move forward 10 seconds
Unmute
0:02
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0:15
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Brainpower
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parasitism
One organism benefits at the expense of the other. All infectious
agents fall in this category
parasitic diseases
Any disease caused by an infection with....
-helminths (worms)
-protozoa
-arthropods (insects, ticks, mites, etc)
parasite
, An organism that lives in or on and at the expense of another
organism known as the host
ectoparasite
Lives on the surface of their host (usually arthropods like ticks or
mites)
endoparasite
Lives within the body of the host (mostly protozoa or helminths)
obligate parasite
These must spend at least part of their life cycle in association with
a host (like schistosoma/trematode and filaria/nematodes)
facultative parasites
These are capable of leading both a free and parasitic existence
(naegleria/ameba and strongyloides/nematode)
vector
insect that transmits infectious agent from one host to the next
protozoa
unicellular eukaryotic microbe
helminth (worm)
elongated multicellular organism varying from a few millimeters to
40+ feet
nematode
roundworm
cestode
Segmented flatworm.
No alimentary canal (digestive system) and instead absorbs
nutrients from host directly
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