optic disc

Japanese: optic disc(英語表記)opticdisc
optic disc

…Diseases of the fundus are mainly caused by changes in the blood vessels themselves, such as bleeding, exudate, opacity, degeneration, and proliferative tissue.
[optic disc]
The area where the retinal nerve fibers gather and pass through the wall of the eye. From here, they become the optic nerve and connect to the inside of the skull.

*Some terminology that mentions "optic disc" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…眼底の病気は,出血,滲出物,混濁,変性,増殖組織などと血管自体の変化がおもなものとなっている。
[視神経乳頭optic disc]
 網膜の神経繊維が集まって,眼球壁を通過する部位。ここから視神経となって頭蓋内へ連絡する。…

※「optic disc」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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