释义 |
眼球yǎnqiú眼的主要组成部分,呈球形,外部由角膜、巩膜、脉络膜、视网膜等薄膜构成,内部有水状液、晶状体和玻璃体,中央有一个圆形的瞳孔。眼球通过视网膜上的视神经末梢与中枢神经系统联系,外界物体在视网膜上构成物像刺激视神经发生兴奋,传递到大脑皮层即产生视觉。{eyeball; major part of the eye, consisting externally of cornea, sclera, choroid and retina, and internally of hydatoid, lens and vitreous body, with the pupil in the centre. When the optic nerve ends of the retina connect with the central nerve system, an object will form an image on the retina, which stimulates the optic nerve and is pass-ed to the brain cortex, thus enable the eyes to see it;}通称{generally known as}眼珠子{yǎnzhū·zi}。 |