Flashcards in Para Lec - T. trichiura Deck (38):
1
common name of trichuris trichiura
whipworm
2
final host of trichuris trichiura
man
3
habitat of trichuris trichiura
Large intestine
4
trichuris trichiura is attached to __
cecum
5
type of attachment of trichuris trichiura
pin fashion attachment
6
diagnostic stage of trichuris trichiura
ova
7
infective stage of trichuris trichiura
embryonated ova
8
sources of infection of trichuris trichiura
STH
9
MoT trichuris trichiura
Ingestion
10
portal of entry of trichuris trichiura
mouth
11
unholy trinity
trichuris trichiura
Ascaris lumbricoides
Hookworms
12
does trichuris trichiura have an extra-intestinal phase
no
13
lifespan of trichuris trichiura
1-3 years
14
how manypercent of trichuris trichiura infections are asymptomatic
90%
15
why are trichuris trichiura infections asymptomatic
trichuris trichiura is small
16
intensity of infections peaks by age __
10
17
color of adult worm
flesh or pinkish
18
what part of trichuris trichiura is attenuated
anterior 2/3
19
what part of trichuris trichiura is robust and fleshy
posterior 1/3
20
describe the anterior 2/3 of trichuris trichiura
attenuated and thin
21
describe the posterior 1/3 of trichuris trichiura
fleshy and robust
22
ova morphology trichuris trichiura
mucoid, bipolar plug
23
function of mucoid bipolar plug
way of exit of larva
24
shape of ova
football/lemon/barrel shaped
25
prepatency trichuris trichiura
2 months
26
appearance of embryonated egg
segmented egg
27
this occurs during heavy infections
rectal prolapse
28
number of eggs released per day
3 000 - 20 000 eggs
29
drug of choice for trichuris trichiura
albendazole, mebendazole x 3 days
because it is harder to expel since it is attached pin fashion
30
what type of eggs are passed with the stool
unembryonated eggs
31
where do eggs of trichuris trichiura mature and establish themselves as adults
colon
32
caution in diagnosing infection
stool negative for egg but with manifestation, reason?
parasite is still migrating
33
caution in diagnosing infection
negative for egg (2 reasons)
all male parasites
female worms still not capable of laying eggs
34
asymptomatic, type of infection
light
35
symptoms of t. trichiura
iron deficiency anemia
physical weakness
stunted growth
cognitive deficit
trichuris dysentery syndrome
trichuris colitis
rectal prolapse
36
inflammation of colon
colitis
37
cause of colitis
attachment of worms
38