Sarcocystis Flashcards

1
Q

Only sexual reproduction occurs
on the definitive host and that
sporogony is completed there

A

sarcocystis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fully sporulated oocysts and sporocysts are discharged in the host’s feces

A

sarcocystis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

infective stage with the production of sporocysts occurs in what area of definitive host

A

intestinal mucosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

2 types of Sarcocystis

A

intestinal, muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

toxin secreted by the sarcocyst in the intermediate host

A

sarcocystin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

sarcosporidiosis in sheep agents

A

S. ovicanis, S. arieticanis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

sarcosporidiosis in goats agents

A

S. capracanis. S. hircicanis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Associated with release of 2nd
wave of merozoites

A

Sarcosporidiosis in Pigs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Causes a severe neurological disease in
horses, Equine Protozoal Encephalomyelitis (EPM)

A

Sarcocystis neurona

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

predilection site of Besnoitia sp.

A

CT of the skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Definitive host of besnoitia

A

cat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

IH of besnoitia

A

Horses, ruminants, rodents, lizards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

endemic in tropical and sub-tropical
regions with high infection rate but low mortality and rare elsewhere

A

Besnoitiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

etiologic agent of cutaneous form of besnoitiosis in horses and burros

A

Besnoitia bennetti

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

hardening of the skin creating a
leathery affect which is a symptom of Besnoitiosis

A

Lichenification of the muzzle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

etiologic agent of bovine besnoitosis

A

B. besnoiti

17
Q

chronic cutaneous besnoitia infection in cow referred to as?

A

scleroderma or elephant hide disease

18
Q

Oocysts are virtually indistinguishable from those of toxoplasma and neospora

A

Hammondia sp.

19
Q

Dh is cat and multiply in tissues of pigs, rats, mice, goats, hamsters, dogs

A

Hammondia hammondi

20
Q

DH are dogs and foxes

A

Hammondia heydorni

21
Q

IH of H. heydorni

A

Ruminants, guinea, pigs, dogs

22
Q

Has an obligatory two-host history

A

hammondia

23
Q

Only sporulated oocysts from cat feces are infectious to rats

A

Hammondia sp.

24
Q

In hammondia life cycle, only ______ from mouse tissue are infectious to cats

A

bradyzoites

25
Q

a parasite of the renal epithelium of
the horse

A

Klossiella equi

26
Q

a parasite of the renal epithelium
of the mouse

A

Klossiella muris

27
Q

Transmission occurs via ingestion of sporulated oocysts passed in urine

A

Mouse Parenteral Coccidia

28
Q

IH of toxoplasma

A

warm blooded animals

29
Q

banana shape of toxoplasma

A

Trophozoites (Tachyzoites)

30
Q

contains zoites or bradyzoites (slow multiplying forms), found in lungs, brain, liver, other organs of vertebrate host

A

pseudocyst or cyst

31
Q

produced after schizogony, gametogony and syngamy in the intestines of cats

A

oocysts

32
Q

seen in body fluids in early, acute infection

A

Tachyzoites

33
Q

released from ruptured tissue cysts that cause inflam. and block bv and necrosis

A

bradyzoites

34
Q

slow dividing stage

A

bradyzoites

35
Q

contained in cysts in muscles and brain tissue and eyes

A

bradyzoites

36
Q

rapid dividing stage

A

tachyzoites

37
Q

destroy cells specifically parenchymal and reticuloendothelial cells

A

tachyzoites

38
Q
A