tylosis

1. Inflammation of the eyelids, characterized by thickening and hardening of the edges.
2. A thickening of the horny layer of the skin as a result of chronic pressure or friction.

Origin:

Origin: New Latin tylōsis

Origin: , from Greek tulōsis, a making callous

Origin: : tulos, callus; see teuə- in Indo-European roots

Origin: + -ōsis, -osis