arcus senilis

短语

[医] 老人弓, 角膜弓, 老人环

释义与例句

n.
  1. 1.

    A faint whitish ring around the iris in elderly people; discoloration of the iris with age.

    医学

词汇关系

名词

同义词 1

arcus

上位词 1

cornea

词源

From Latin arcus + senilis.

来源：wiktionary