| 释义 |
pterygium /ter-ijˈi-əm or pter-ijˈi-əm/ noun (pl pterygˈia)- A vertebrate limb (zoology)
- A winglike growth (biology)
- A wing-shaped area of thickened conjunctiva which spreads over part of the cornea and sometimes over the eyeball (medicine)
ORIGIN: Latinized from Gr pterygion, dimin of pteryx, -ygos wing pterygˈial adjective Of or relating to a wing or fin noun A bone in a fin |