ty·lo·sis 1 (t -l  s s)n. pl. ty·lo·ses (-s  z) 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. [New Latin tyl sis, from Greek tulsis, a making callous : tulos, callus; see teu - in Indo-European roots + -sis, -osis.] |
| ty·lo·sis 2 (t-lss) n. pl. ty·lo·ses (-s z) See tylose. |
tylosis [taɪˈləʊsɪs]
n
(Life Sciences & Allied Applications / Botany) Botany a bladder-like outgrowth from certain cells in woody tissue that extends into and blocks adjacent conducting xylem cells
[from Greek tulōsis, from tulos knob or tulē callus + -osis]
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