Sandbox:Filariasis pathogenesis: Difference between revisions
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* Aedes | * Aedes | ||
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| rowspan=" | | rowspan="4" |Subcutaneous filariasis | ||
|[[Loa loa filaria]] | |[[Loa loa filaria]] | ||
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* C. silacea | * C. silacea | ||
* C. dimidiata | * C. dimidiata | ||
| rowspan=" | | rowspan="4" | | ||
* Infected fly bite introduces the third stage larva onto the skin and then enters to the blood through the wound. | * Infected fly bite introduces the third stage larva onto the skin and then enters to the blood through the wound. | ||
* The larvae develop to adult which reside in the '''subcutaneous tissue'''. | * The larvae develop to adult which reside in the '''subcutaneous tissue'''. | ||
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* Microfiliae grow up inside the fly till third stage larvae. | * Microfiliae grow up inside the fly till third stage larvae. | ||
* The third-stage infective larvae migrate to the fly's proboscis and in another bite the cycle restarts. | * The third-stage infective larvae migrate to the fly's proboscis and in another bite the cycle restarts. | ||
| rowspan=" | | rowspan="4" |[[Image:L loa LifeCycle.gif|350 px|center]] | ||
| rowspan=" | | rowspan="4" | | ||
* Unlike Loa Loa filaria, Mansonella streptocerca and Onchocerca volvolus produce '''unsheathed non-periodic microfilariae'''. | * Unlike Loa Loa filaria, Mansonella streptocerca , Mansonella ozzardi and Onchocerca volvolus produce '''unsheathed non-periodic microfilariae'''. | ||
* Mansonela streptocerca adults residue in the dermis. | * Mansonela streptocerca adults residue in the dermis. | ||
* Onchocerca volvulus adults residue mainly in the subcutaneous nodules. Their microfilariae can be found in the peripheral [[blood]], [[urine]], and [[sputum]] but are typically found in the [[skin]] and in the [[Lymphatic|lymphatics]] of connective tissue. | * Onchocerca volvulus adults residue mainly in the subcutaneous nodules. Their microfilariae can be found in the peripheral [[blood]], [[urine]], and [[sputum]] but are typically found in the [[skin]] and in the [[Lymphatic|lymphatics]] of connective tissue. | ||
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* Midge (genus Culicoides) | * Midge (genus Culicoides) | ||
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|[[Mansonella ozzardi]] | |[[Mansonella ozzardi]] | ||
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* Midge (genus Culicoides) | * Midge (genus Culicoides) | ||
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|[[Onchocerca volvulus]] | |||
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* Blackfly (genus Simulium) | |||
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|Serous cavity filariasis | |||
|[[Mansonella perstans]] | |[[Mansonella perstans]] | ||
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Revision as of 15:14, 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 |
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Mansonella ozzardi |
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Onchocerca volvulus |
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Serous cavity filariasis | Mansonella perstans |
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Life cycles of the roundworms causing filariasis: