Sandbox:Filariasis pathogenesis: Difference between revisions
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* Infected mosquito bite introduces the third stage larva onto the skin and then enters to the blood through the wound. | * Infected mosquito bite introduces the third stage larva onto the skin and then enters to the blood through the wound. | ||
* The larvae reside in the lymphatic vessels and mature to adult worms. | * The larvae reside in the lymphatic vessels and mature to adult worms. | ||
* Adult worm produce sheathed microfiliae that migrate to lymph and blood. | * Adult worm produce sheathed microfiliae that migrate to lymph and blood. They have nocturnal periodicity. | ||
* Another mosquito ingests the microfiliae. | * Another mosquito ingests the microfiliae. | ||
* The microfilariae lose their sheaths and work their way through the wall of the proventriculus and cardiac portion of the [[midgut]] to reach the thoracic muscles | * The microfilariae lose their sheaths and work their way through the wall of the proventriculus and cardiac portion of the [[midgut]] to reach the thoracic muscles |
Revision as of 14:47, 27 June 2017
Type of filariasis | Causative nematode | Vectors | Life cycle | Illustrative image | Comments |
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Lymphatic filariasis | Wuchereria bancrofti |
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Brugia timori and Brugia malayi |
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Subcutaneous filariasis | Loa loa filaria |
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Mansonella streptocerca | |||||
Onchocerca volvulus | |||||
Serous cavity filariasis | Mansonella ozzardi | ||||
Mansonella perstans |
Life cycles of the roundworms causing filariasis: