Hepatozoon spp. Flashcards Preview

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Flashcards in Hepatozoon spp. Deck (14):
1

hosts

dogs

2

what is the vector of H. americanum?

amblyomma maculatum- gulf coast tick

3

is there a zoonosis?

no

4

____ in blood cells

gamonts

5

life cycle

dog ingests the tick
sporozoites are released to target organs
schizonts are formed
parasitic organisms found in white blood cells

6

how do ticks become infected?

ingesting a blood meal that contains white blood cells with gamonts of the parasite

7

_____ replication in the gut of the tick results in oocysts containing infective _____

sexual, sporozoites

8

site of infection

gamonts in white blood cells
schizonts in tissue

9

pathogenesis

H. canis causes subclinical infectin
H. americanum causes severe disease

10

Hepatozoon _____ causes disease in dog

americanum

11

what disease does H. amercanum cause?

neutrophilic leukocytosis
joint pain
myositis

12

diagnosis

gamonts in peripheral blood
muscle biopsy

13

treatment

no treatment
tick control

14

what is the vector of H. canis?

Rhipicephalus sanguineus- brown dog tick