Quizlet 8 Flashcards
(20 cards)
Describe the egg of Trichuris vulpis
Size M, lemon shape with 2 shells with plugs, unembryonated, brown-reddish
Describe the phase of parthenogony in the development of Dicrocoelium dendriticum:
Miracidia goes to IH develop into sporocysts and then cercaria
What is larva migrens visceralis
Toxocara canis et catis in GIT migrate to lung, liver, eye, brain, heart in humans, but do not complete it’s LC
Method used to detet lung worms in pigs
Ovoscopy by flotation method, since larvae remains in egg in Metastrongylus.
Size of eggs
Small: 4-60
Medium:60-100
Large:100-200
X-large:over 200
Method used to diagnose lungworms in Ru
Larvascopy
1. Baerman - loose feces in all other animals
2. Vajda - compact feces in small Ru and Rabbits
Kidney worm of carnivores
Nematoda: Dioctophyme renale (detected by urine sedimentation)
Method used for diagnosis of intravital worms in Ru
Sedimentation and floatation method
Difference between Monogenea and Digenea:
Monogenea- direct lc, ectoparasite of fish, no oral suckers, spindle or circular body
Digenea- indirect LC, endoparasite of mammals, 2 sucker, leaf like body
Dicrocoelium dendriticum, stage inside ants?
Cystogony - ant ingest cercaria slie ball which transorm to metacercaroa on ants. Cause CNS distrubances when migrating to brain
Which trematode is not a hermaphrodite
Schistoma
Describe in which host, is Paragonimus spp
A lung parasite affecting all mammals, IH: 1st Melena snail 2nd cray fish
What are the host of Dactylogyrus?
fish
Opishachis tenuicollis is a parasite of?
carnivores
What is an oncosphere?
Hexacantembryo (6 hooks)
Strobilicercus in which taenia species, and as IH in which animals?
Taenia taeniformis- cysticercus fasciolaris
IH- rat, mice (abdominal cavity, liver)
FH-cat (S.I)
What is spiruroidea in cattle?
thelazia infection around eye, due to feeding of flies causes keranitis
Hystrongylus rubid is a parasite of?
pig
List of FH, site and IH for Capillaria plica?
IH: earth worm
FH: dog, cat, fox (urinary bladder)
What are the characteristics of Oxyuridae?
“Pinworm” female larger than male, and sharper tip
