DO_infectious_disease_slim NCIthesaurus has phenotype has symptom disease has location filariasis filarial elephantiasis A filariasis that is characterized by the thickening of the skin and underlying tissues, especially in the legs, male genitals and female breasts, caused by thread-like parasitic worms Wuchereria bancrofti, Brugia malayi or Brugia timori, which inhabit the lymphatics. These nematodes are transmitted by mosquitoes. Acute symptoms include fever, lymphadenitis, lymphangitis, funiculitis, and epididymitis. Chronic symptoms include abscesses, hyperkeratosis, polyarthritis, hydroceles, lymphedema, and elephantiasis. Bancroftian filarial chyluria UMLS_CUI:C0013884 NCI:C128360 SNOMEDCT_US_2025_09_01:240820001 Bancroftian elephantiasis disease_ontology DOID:12211 DOID:13433 Lymphatic filariasis MESH:D004605 elephantiasis of eyelid skin disease Hyperkeratosis Epidermal thickening lymphangitis epididymitis fever abscess lymphadenitis zone of skin