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pterygium

play
noun, pte·ryg·i·um \te-ˈri-jē-əm\

Definition of pterygium

plural pterygia play \-jē-ə\ also -iums

  1. :  a fleshy mass of thickened conjunctiva that grows over part of the cornea usually from the inner side of the eyeball and causes a disturbance of vision



Origin of pterygium

New Latin, from Greek pterygion little wing, from pteryx


First Known Use: 1657


Medical Dictionary

pterygium

play
noun pte·ryg·i·um \te-ˈrij-ē-əm\

Medical Definition of pterygium

plural pterygiums or pterygia \-ē-ə\play

  1. 1:  a triangular fleshy mass of thickened conjunctiva occurring usually at the inner side of the eyeball, covering part of the cornea, and causing a disturbance of vision

  2. 2:  a forward growth of the cuticle over the nail




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