1. Order Oxyurida Flashcards
1
Q
Order Oxyurida females have long tapering tails, that’s why they are known as ____.
A
Pinworm
2
Q
Family Oxyuridae species
A
[ OP ]
3
Q
Other pinworm species
A
[ SPSP ]
4
Q
Order Oxyurida is generally found in what organ?
A
Large intestine
5
Q
animal host of Oxyuris & Probstmayria
A
HORSE
6
Q
shape of esophagus of Oxyurida
A
double-bulbed
7
Q
How many spicules in family Oxyuridae?
A
only 1
+ caudal alae
8
Q
vulva is in what location of body?
A
middle
9
Q
Most female migrate to ___ of host.
A
anus
10
Q
Females deposit eggs in ____ region
A
perineal region
11
Q
(3) migration of L3 of Oxyurida
A
- small intestine
- large intestine
- cecum & colon (mucosal crypts)
12
Q
Oxyuridae become L4 in how many days
A
3-11 days
13
Q
Does L4 of oxyurida emerge?
A
YES, in the mucosa to become adults
14
Q
Irritation from pinworms due to laying behavior of females
A
Intense perineal irritation
15
Q
Pinworm ingestions of egg routes (4)
A
- Grooming behavior
- Coprophagy
- Ingestion of infested objects
- Retrofection
