miner's anaemia

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}. [Webster 1913 Suppl.]