名詞 cornea:

1. transparent anterior portion of the outer covering of the eye; it covers the lens and iris and is continuous with the sclera

1. A cloudy spot on the cornea.
   角膜翳角膜上微薄遮光點

cor.ne.a

n.（名詞）
The transparent, convex, anterior portion of the outer fibrous coat of the eyeball that covers the iris and the pupil and is continuous with the sclera.
角膜：眼球似纖維的外膜的前部透明凸出部分，它覆蓋虹膜和瞳孔并與鞏膜連接

來源：
Medieval Latin cornea (tôla) [horny (tissue)]
中世紀(jì)拉丁語 cornea (tôla) [角質(zhì)的（組織）]
from Latin corneus [horny]
源自 拉丁語 corneus [角質(zhì)的]
from cornô [horn] * see ker-
源自 cornô [角] *參見 ker-

【引伸】
cor.neal