Micropara 6 (helminth infections of humans)

Onchocerciasis (also known as "river blindness")

Onchocerca volvulus (N); microfilariae (tiny prelarval stages of these helminths) are found in the skin

Trichinellosis

Trichinella spiralis (N)

Dracunculiasis

Dracunculus medinensis (N); also known as the guinea worm

Onchocerciasis

Onchocerca volvulus (N); microfilariae enter the eyes, causing an intense inflammatory reaction

Loiasis

Loa loa (N); also known as the African eyeworm

Paragonimiasis

Paragonimus westermani (T); the lung fluke

Ascariasis infection (see Fig. 21-10)

Ascaris lumbricoides (N); the large intestinal roundworm of humans

Hookworm infection

Ancylostoma duodenale (N) or Necator americanus (N)

Pinworm infection (enterobiasis)ª (see Fig. 21-11)

Enterobius vermicularis (N)

Whipworm infection (trichuriasis)

		Trichuris trichiura (N)

Strongyloidiasis

Strongyloides stercoralis (N)

Beef tapeworm infection

Taenia saginata (C)

Dog tapeworm infection

Dipylidium caninum (C)

Dwarf tapeworm infection

Hymenolepis nana (C)

Fish tapeworm infection

Diphyllobothrium latum (C)

Pork tapeworm infection

Taenia solium (C)

Rat tapeworm infection

Hymenolepis diminuta (C)

Fasciolopsiasis

Clonorchiasis

Clonorchis sinensis (T); also known as the Chinese or Oriental li

Filariasis (see Fig. 21-12)

Wuchereria bancrotti (N) and Brugia malay (N); microfilariae

Schistosomiasis (also known as bilharzia) (see Fig. 21-13)

Trematodes in the genus Schistosoma

Cysticercosis

Cysts (the larval stage) of the pork tapeworm (Taenia solium) are found in the brain

Hydatid cyst disease

Echinococcus granulosus (C) or Echinococcus multilocularis (C); in addition to the brain, hydatid cysts (the larval form of these helminths) can form in many other locations in

the body