Sandbox:Filariasis pathogenesis: Difference between revisions

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!Life cycle  
!Life cycle  
!Illustrative image
!Illustrative image
!Comments
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| rowspan="2" |Lymphatic filariasis
| rowspan="2" |Lymphatic filariasis
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*  [[Anopheles]] as A. arabinensis
*  [[Anopheles]] as A. arabinensis
* Coquillettidia.as C. juxtamansonia
* Coquillettidia.as C. juxtamansonia
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| rowspan="2" |
* 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.
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* Microfiliae grow up inside the mosquito till third stage larvae.  
* 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.  
* In another bite to a host skin the mosquito introduces the larvae onto the skin.  
|[[Image:W bancrofti LifeCycle.gif|400 px|center]]
| rowspan="2" |[[Image:W bancrofti LifeCycle.gif|400 px|center]]
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* The difference between the different nematodes causing lymphatic filariasis is in the shape and size of the worm
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|[[Brugia timori]] and [[Brugia malayi]]
|[[Brugia timori]] and [[Brugia malayi]]
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* Mansonia
* Aedes
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|[[Image:B malayi LifeCycle.gif|400 px|center]]
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| rowspan="3" |Subcutaneous filariasis  
| rowspan="3" |Subcutaneous filariasis  
|[[Loa loa filaria]]
|[[Loa loa filaria]]
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|[[Mansonella streptocerca]]
|[[Mansonella streptocerca]]
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|[[Onchocerca volvulus]]
|[[Onchocerca volvulus]]
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| rowspan="2" |Serous cavity filariasis
| rowspan="2" |Serous cavity filariasis
|[[Mansonella ozzardi]]
|[[Mansonella ozzardi]]
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|[[Mansonella perstans]]
|[[Mansonella perstans]]
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Revision as of 14:41, 27 June 2017

Type of filariasis Causative nematode Vectors Life cycle Illustrative image Comments
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.
  • The difference between the different nematodes causing lymphatic filariasis is in the shape and size of the worm
Brugia timori and Brugia malayi
  • Mansonia
  • Aedes
Subcutaneous filariasis Loa loa filaria
Mansonella streptocerca
Onchocerca volvulus
Serous cavity filariasis Mansonella ozzardi
Mansonella perstans

Life cycles of the roundworms causing filariasis:

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