Filariasis - Life Cycle of Wuchereria bancrofti

1) Mosquito takes a blood meal

2) Adults in lymphatics

3) Adults produce sheathed microfilariae that migrate into lymph and blood channels

4) Mosquito takes a blood meal (ingests microfilariae)

5) Microfilariae shed sheaths, penetrate mosquito's midgut, and migrate to thoracic muscles

6) L1 larvae

7) L3 larvae

8) Migrate to head and mosquito's proboscis



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