Sentence Examples with the word pemphigus

Certain skin diseases, as psoriasis, pemphigus and occasionally chronic eczema, are much benefited by its use, though occasionally a too prolonged course will produce the very lesion for which under other circumstances it is a cure.

An American Aphid of the genus Pemphigus produces black, ragged, leathery and cut-shaped excrescences on the young branches of the hickory.

It was first observed in 1856 by Asa Fitch (1809-1878), who did not suspect its mischief, and called it Pemphigus vitifoliae.