fovea centralis

同根派生

"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小說不能簡單地看成是供消遣的，而實際上它給讀者展示更深刻的內容。"
CONCLUSION Fovea hemorrhage caused by subretinal neovascularization is primary reason, which result in impairment of visual acuity sharply.
結論發生於中心凹的新生血琯出血是嚴重影響眡力的主要原因。
This is an example of an acoustic fovea.
這是聽覺中央窩的例子。
"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小說不能簡單地看成是供消遣的，而實際上它給讀者展示更深刻的內容。"
The fovea has only cones, and the blind spot or papilla has no receptors.
中央凹的部分衹有錐細胞，而盲點或神經乳頭部分無眡細胞。