Blood and tissue nematodes I Flashcards
Lays eggs in unsegmented stage (unembryonated).
Oviparous
Lays eggs in segmented stage (embryonated).
Ovoviviparous
larva
Viviparous
The time and day whereby blood contains
abundant number of micrifilariae, as compared to other hours.
Periodicity
occurring at night.
[periodicity]
nocturnal
occurring during the day.
[periodicty]
diurnal
timing of occurrences not clear-cut.
[periodicity]
subperiodic
Presence or absence of a delicate transparent covering known as a?
sheath
[2] Morphological forms
- Adult worms
- Larvae/Microfilarae
Appear creamy white and assume a threadlike appearance.
[morphological forms]
Adult worms
Males may measure from 20 to 500 mm in length, which is often half that of typical adult females.
[morphological form]
Adult worms
Common name of Wuchereria Bancrofti
Bancroft’s Filaria
Nocturnal periodicity: peak hour of specimen collection are between 9:00 pm to 4:00 am.
Wuchereria Bancrofti
Stimulates microfilariae to come out even during daytime.
Diethylcarbamizine
Detection of Circulating Filarial Antigen (CFA)
Wuchereria Bancrofti
[3] Vector of Wuchereria Bancrofti
- Aedes
- Culex
- Anopheles
May be found in the subtropical and tropical areas of the world including the philippines.
W. bancrofti
Common name of Brugia Malayi
Malayan Filariasis, Malayan Filarial Worm
Disease associated in Brugia Malayi
Malayan Filariasis, Elephantiasis
Nocturnal/Subperiodic periodicity
Brugia Malayi
Areas of the world in which the mosquitoes breed are the primary locations in which this filariae may be found including philippines.
Brugia Malayi
Although humans are considered to be the primary definite host, it is also known to infect felines and monkeys.
Brugia Malayi
[3] Transmitted by the mosquito in Brugia Malayi
- Mansonia sp.
- Anopheles
- Aedes
Fevers may take months to years to develop after initial infection.
Brugia Malayi