Capillaria philippinensis Flashcards
(30 cards)
order
trichurata
common name
pudoc worm
disease caused
intestinal capillariasis
originated where?
ilocos sur
adult male size
2.3-3.17 mm
long, smooth, (unspined) spicular sheath
adult male
size of adult female
2.5-4.3 mm
able to give rise to both larva and egg
ovoviviparous
2 types of Capillaria philippinensis
typical and atypical
oviparous: acquired from fish eaten
typical
viviparous: involved in autoinfection
atypical
rows of secretory cells
stichocytes
entire esophageal structure
stichosome
diagnostic stage
unembryonated egg
shape of eggs
peanut-shaped, striated shells, flattened bipolar plugs
eggs are passed in the feces and embryonate for how many days?
10-14 days
infective stage to man
l3 (3rd stage) larvae
how is infection initiated?
ingestion of uncooked fish with third stage larva
1st generation larvae remain inside the host and molt 4 times to become egg-laying adults
autoinfection
always a definitive host
natural host
can be a definitive host
accidental host
natural definitive host
fish-eating bird
accidental and definitive host
human
enteropathy
malabsorption syndrome
