Sandbox:Filariasis pathogenesis: Difference between revisions

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!Illustrative image
!Illustrative image
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| rowspan="3" |Lymphatic filariasis
| rowspan="2" |Lymphatic filariasis
|[[Wuchereria bancrofti]] 
|[[Wuchereria bancrofti]] 
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* Coquillettidia.as C. juxtamansonia
* Coquillettidia.as C. juxtamansonia
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* Infected mosquito bite introduces the third level 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.
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|[[Image:W bancrofti LifeCycle.gif|400 px|center]]
|[[Image:W bancrofti LifeCycle.gif|400 px|center]]
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|[[Brugia timori]]
|[[Brugia timori]] and [[Brugia malayi]]
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|[[Brugia malayi]]
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Revision as of 14:28, 27 June 2017

Type of filariasis Causative nematode Vectors Life cycle Illustrative image
Lymphatic filariasis Wuchereria bancrofti 
  • Culex as C. pipiens
  • Aedes as A. aegypti
  • Anopheles as A. arabinensis
  • Coquillettidia.as C. juxtamansonia
  • 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.
  • Adult worm produce sheathed microfiliae that migrate to lymph and blood.
  • Another mosquito ingests the microfiliae.
  • Microfiliae grow up inside the mosquito till third stage larvae.
  • In another bite to a host skin the mosquito introduces the larvae onto the skin.
Brugia timori and Brugia malayi
Subcutaneous filariasis Loa loa filaria
Mansonella streptocerca
Onchocerca volvulus
Serous cavity filariasis Mansonella ozzardi
Mansonella perstans

Life cycles of the roundworms causing filariasis: