Ascaridae Flashcards
(7 cards)
1
Q
Genus of the family Ascarididae
A
Ascaris
Toxocara
Toxascaris
Parascaris
2
Q
Intermediate host
A
Rodents:
Toxascaris leonina
Toxocara canis
Toxocara cati
3
Q
Arrow-headed worms
A
Toxascaris leonina
Toxocara canis
Toxocara cati
4
Q
MOI
A
Ingestion of infective eggs containing L2 larva from the environment
5
Q
Disease
A
Liver fibrosis
Lungs: Petechial Hemorrhages
Alveoli, bronchioles, small bv: eosinophil infiltration
VLM & OLV in humans (T. canis/cati)
Pot bellied appearance (T. canis)
Infected foals (Parascaris equorum): low serum albumin
Heavy infection (adult): gut impaction
Lymphocytic nodules (parascaris)
6
Q
Prenatal
Transmammary infection
A
T. canis- both present
T. cati- no prenatal infection
T. vitulorum- both present
7
Q
Tx
A
Piperazine
