01 (DEFINITIONS) Flashcards
one animal deriving its sustenance from another without making compensation. The uncompensated animal is the host.
parasite
the science or study of host-parasite relationships.
parasitology
study of parasites which infect humans.
medical parasitology
the partner providing food and/or protection. Some parasites require more than one host to complete their life cycle; Or may not require a host during some stage(s).
host
“carrier’ of a parasite from one host to another. Often an insect.
vector
“living together,” a close association between two organisms.
symbiosis
both organisms are benefited (bacteria in bowel).
mutualism
“eating at the same table,” One organism is benefited, the other is unaffected.
commensalism
one organism is benefited at the expense of another (the host).
parasitism
the host in which sexual maturity and reproduction takes place.
definitive host
the host in which the parasite undergoes essential development.
intermediate host
the host harboring a parasite in nature, serving as a source of infection for other susceptible hosts. Reservoir hosts show no sign or symptom of disease.
reservoir
an accidental host serving as a holding place for a parasite.
paratenic host
damage to tissues, intestine, liver, eye.
trauma
activity of enzymes elaborated by organism.
lytic action
localized inflammation, eosinophilia.
tissue response
heavy infection with hookworm may cause anemia.
blood loss
weakened host susceptible to bacterial infection, etc.
secondary infections
where personal hygiene and community sanitation lacking. Infectious stages remain viable for long periods in contaminated soil.
filth-borne or contaminative
water or dirt which can contain eggs, etc.; Larvae can penetrate skin of bare feet or enter skin in infested water.
soil or water-borne
inadequately cooked beef, pork, fish, shell fish.
food-borne
the most difficult of all to control.
arthropod-borne
objectives must be calibrated in order to insure accurate measurement of organisms.
microscope
swinging bucket type is required.
centrifuges
feces, sputum, and urine are used to detect lumen dwelling parasites of GI, pulmonary and genitourinary tracts.
natural secretions
usual specimen for detection of blood and tissue parasites, along with tissue biopsies, aspirates, etc.
blood
fecal specimens.
intestinal dwelling parasites
hrs egg should be examined
1-2 hrs
what is an example of a parasite that needs staining because of its transparency
hookworm
living environment is. factor for possibility of acquiring parasitic infections.
socioeconomic factor
place where malaria is prone
palawan
vitamin that parasites often suck out from children
B12
parasite that goes out of all holes.
ascaris
parasite that originates from dogs and can potentially be passed to humans
toxocara canis
flat chest, big stomach, heavy eyes, and or malnourished are obvious symptoms of what infection/disease
schistosoma
from leafy vegetables
schistosome
from mouth used or as habitation
gingivalis
tapeworm can grow up to how long?
25 feet
which two symbiosis types are not known to destroy its host?
mutualism and commensalism
which type of parasite fluke comes from snails and continues to live in the host’s liver?
liver fluke
medical parasitologic term of eyeworm
lowa lowa
what is the normal eosinophil count?
0-1 or 0-2
what type of common preservative preserves parasitic egss?
formalin
