Filariasis / Elephantiasis    Filarisis is caused by thread like Worms nematodes parasites are transported form person to person via mosquito bites.  Type of filariasis: (1):- Lymphatic filariasis. (2):- Subcutaneous Filariasis. (3):- Serous (abdominal) cavity filariasis. Sing and symptoms: (a):- Edema with thickening of skin and underlying tissue. (b):- Wuchereria Bancrofti affect the legs, arms, breast,scrotum etc. (c):- In lymphatic filariasis , worms infect lymphatic system and causes  enlargement of lymph vessels and nodes.  this is elephantiasis i.e. limbs  are swollen like legs of elephant. (d):- lymphedema i.e. accumulation of lymph fluid in tissue causing swelling.   (e):- Hydrocele i.e. testis are enlarged due to accumulation of lymphatic fluid in testis. Mode of transmission: " Wuchereria Bancrofti"  is transmitted to human body by female " Culex mosquito"   The larva escape  mosquito body and arrived on  the hu...