Key terminology Flashcards
Oviviparous
Live birth of eggs
hatch inside nematode
birth live larva
Microfilaria
L1
circulate in blood stream
Periodicity
periodic increase in peripheral capillary blood of the embryo of filariae
(W. bancrofti)
Lymphedema
tissue swelling of lymphatic vessels
Hydrocoele
Swelling of scrotum (W. bancrofti)
Chyluria
late stage, chyle in urine, cloudy urine, lymphatic fluid (W. bancrofti)
Calabar swelling
Under eye swelling (loa loa)
oncocercoma
one pocket of swelling under eye (O. volvulus)
Immiticide
Treatment for D.medinensis (guinea worm) , arsenic based and kills adult
Obligate parasite
Need host to complete life cycle (nematomorpha/horse hair worms)
Gordian knot
no ends and can’t untie (nemattomorpha)
Coelozoic
site specific myxozoa’s, body cavity/ visceral organs
Histozoic
tissue and between cells (myxozoa)
Myxospores
in fish inter hosts, asexual
actinospore
in oligochaete def host, sexual
Acanthor larva
burrows in gut wall, acanthocephalan
cystacanth larva
in body cavity (hemoceal), in inter host (arthropod)
Uterine bell
sorts eggs that enter and only allows those that have matured into the correct size and shape to pass on through to the uterus, acanthocephalans
Copulatory bursa
wraps around female (acanthocephelans)
Cement gland
“chastity belt”
Copulatory belt
Prevents other males from mating w female acanthoceph
Hypostome
Tick mouth, recruved hooks, teeth cut into vessels and suck pooled blood
Questing
Ticks scale blades of grass and wiggle to find host (Ixodidae)
Bullseye
Immune response rings from tick bite
Masting behavior
Oak tress over produce acorns, causes increase of lyme
Keystone parasite
effect keystone species (V.destructor/ honeybee)
Haplodiploid
sex-determination system in which males develop from unfertilized eggs and are haploid, and females develop from fertilized eggs and are diploid (V.destructor)
Nauplius larva
free active swimming larva, 3 appendages, (crustacea)
Bot
Larval stage of bot fly
