The Collaborative International Dictionary
tunnel disease
Ankylostomiasis \An`ky*los*to*mi"a*sis\, n. [NL., fr. Ankylostoma, var. of Agchylostoma, generic name of one genus of the parasitic nematodes.] (Med.) A disease due to the presence of the parasites Agchylostoma duodenale, Uncinaria (subgenus Necator) americana, or allied nematodes, in the small intestine. When present in large numbers they produce a severe an[ae]mia by sucking the blood from the intestinal walls. Called also miner's an[ae]mia, tunnel disease, brickmaker's an[ae]mia, Egyptian chlorosis.