Elephantiasis is caused by accumulation of fluid due to yhe infection of Wuchereria bancrofti which blocks the lymph vessels : Elephantiasis is caused by accumulation of fluid due to yhe infection of Wuchereria bancrofti which blocks the lymph vessels
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Dracunculus medinensis : Dracunculus medinensis Commonly known by Guinea worm or dragon worm or serpent worm.
The worms that are common in tropical countries cause blisters on the skin of host (man).
The larvae are released into the water where they infect Cyclops
Dracunculus medinensis : Dracunculus medinensis On taking contaminated water (with infected Cyclops) larva develops in the subcutaneous tissue of man.
Infection of the worm causes nausea, vomiting, diarrhoea and asthma .
The disease is called dracunculosis or guinea worm disease.
Life cycle of Dracunculus medinensis : Life cycle of Dracunculus medinensis
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Trichuris trichiura : Trichuris trichiura This whip like worm is named as per its appearance (whip worm).
It lives in human caecum and vermiform appendix and is worldwide in distribution.
The infection of the worm causes indigestion, abdominal pain, diarrhoea, anaemia and loss of weight.
The worm completes its life cycle in a single host (man).
Life cycle of Trichiuris trichiura : Life cycle of Trichiuris trichiura
Trichinella spiralis : Trichinella spiralis Popularly called the trichina worm,
An intestinal parasite that remains buried in the duodenal or jejunal mucosa.
The adult female discharges embryos in blood which encyst in muscles of pig, rat or man.
Life cycle of Trichinella spiralis : Life cycle of Trichinella spiralis
Trichinella spiralis : Trichinella spiralis It is one of the smallest (1.5 to 4 mm) nematodes infecting man and is common in Europe and United States.
The whole life cycle is passed in one animal but they need to pass to other animal for continuance of the species.
The disease caused by the worm is called trichinelliasis or trichinosis.