丝虫病是由于丝虫寄生在人的身体里而發生的。它的主要症狀是大腿根起疙瘩,腿上有紅綫,这是因为淋巴腺和淋巴管腫脹發炎而产生的。患丝虫病的人的腿和陰囊腫大,皮膚变厚而且粗糙,同大象的皮膚一样。每当發作的时候,全身發冷發热,周身疼痛,腿、脚和陰囊更是紅腫疼痛。这种病在我国的南方叫作“發大脚”和“大脚瘋”,在北方叫作“大粗腿”、“大蛋”和“疝气”。 絲虫是一种象白絲綫一样細的虫子。它寄生在人的身体里,人就会得到丝虫病。絲虫的成虫寄生在人身体里深处的淋巴組織里,像大腿根、陰囊根以及肚子里靠后背等等的地方。雌雄成虫住在一起,交配以后就产生了 Filariasis occurs because of filarial parasitism in the human body. Its main symptoms are thigh spasms and red lines on the legs, which are caused by inflammation of lymph glands and lymphatic vessels. People with filariasis have swollen legs and scrotum, thickened and rough skin, like elephant skin. Whenever the episode, the body chills and fever, the whole body is painful, and the legs, feet and scrotum are more red and sore. This disease is called “bigfoot” and “crazy” in the south of our country. It is called “big leg”, “big egg” and “hernia” in the north. The filarial insect is a fine insect like a white silk thread. It is parasitic in the human body and people will get filariasis. Adults of the filarial worms are parasitized in the deep lymph tissues of the human body, such as the thigh, scrotal root, and back and back of the stomach. The male and female adults live together and produce mating