Blood smear for diagnosis of filariasis

Blood smear for diagnosis of filariasis

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Caption: Diagnosis of filariasis. A blood smear used to diagnose lymphatic filariasis. The blood sample is first passed through a membrane filter. The filtered residue is then smeared onto a slide and stained, and examined for the presence of microfilariae (immature filarial worms). The worm larvae are spread from person to person by blood- sucking insects, and cause inflammation of the lymph vessels resulting localised oedema (swelling). Repeated infection leads to elephantiasis, where the affected area becomes greatly enlarged and the skin thick and fissured. Drugs may effect a cure if the infection is caught early.

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Keywords: blood, blood analysis, blood filariasis, blood smear, blood testing, clinical, diagnosi, filariasis, haematology, healthcare, hematology, hospital test, lymphatic filariasis, medical, medicine, microfilaria, smear

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