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The majority of stones pass spontaneously within 48 hours. If a symptomatic stone does not pass, a procedure by a urologist may be needed. Nephrolithiasis is derived from the Greek nephros- (kidney) lithos (stone) = kidney stone.
Filariasis. Lymphatic filariasis is infection with the filarial worms, Wuchereria bancrofti, Brugia malayi or B. timori. These parasites are transmitted to humans through the bite of an infected mosquito and develop into adult worms in the lymphatic vessels, causing severe damage and swelling (lymphoedema).Elephantiasis â painful, disfiguring swelling of the legs and genital organs â is a classic sign of late-stage disease.hese parasites are transmitted to humans through the bite of an infected mosquito and develop into adult worms in the lymphatic vessels, causing severe damage and swelling (lymphoedema). Elephantiasis â painful, disfiguring swelling of the legs and genital organs â is a classic sign of late-stage disease.