horny tissue

'As it breathes out, the water vapour condenses on the cool, horny tissue.

The scars on the man's lips glistened as he wet them, though his tongue seemed to touch the horny tissue with reluctance.

Two species of Tinea moths have been recorded as feeding on horny tissue and have been bred from the horns of cattle.

All birds of the family Anatidae (ducks, geese, and swans) have a nail, a plate of hard horny tissue at the tip of the beak.

Olmayne paused before one girl in the secondary phase, whose eyes already were filming over with horny tissue, and knelt and touched her starstone to the girl's scaly cheek.

The skin is sandwiched between the bone and the shoe and continuous irritation and chafing causes skin to build up a protective bulwark until it is a thickened layer of dead, horny tissue.