Dictionary
pit•y•ri•a•sis
Pronunciation: (pit"u-rī'u-sis), [key]—
n.
1. Pathol.any of various skin diseases marked by the shedding of branlike scales of epidermis.
2. Vet. Pathol.a skin disease in various domestic animals marked by dry scales.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.