Babesia spp Flashcards Preview

My Parasit Exam 2 > Babesia spp > Flashcards

Flashcards in Babesia spp Deck (20):
1

order

piroplasmorida

2

condition

canine babesiosis

3

hosts

dogs and occasionally humans

4

identification

blood smears with trophozoites in red blood cells

5

parasite of ____ cells

blood

6

___ are vectors

ticks- Rhipicephalus sanguineus (brown dog tick)

7

_____ reproduction takes place in ticks

sexual

8

characteristics of babesia

club shaped
round
elongate

9

size

5 micrometers

10

which is the large form

Babesia Canis- infects dogs in north america

11

which is the small form

Babesia gibsoni and Babesia conradea

12

life cycle

dog is inoculated by tick vector
host cells rupture and new organisms penetrate new cells
ticks become infected by ingesting infected blood from dog
in the tick gut schizogony results in vermicules
vermicules infect tick eggs in the females
these ticks form sporozoites in salivary cells
these sporozoites are inoculated into a new host

13

site of infection

erythrocytes

14

pathogenesis

depression
anorexia
anemia
splenomegaly

15

diagnosis

trophozoites in a peripheral blood smear

16

treatment

antiprotozoal
tick control

17

B canis sporozoites enter the bloodstream of the dog and multiply by ____ in erythrocytes

schizogony

18

as pairs they are called

pyriform merozoites

19

as three they are called

cruciform merozoites

20

PPP

7 days