Lacrimal sac (English)

Japanese: lacrimal sac(英語表記)lacrimalsac
Lacrimal sac (English)

…The main lacrimal gland opens into the superior fornix on the temporal side, the Krause gland into the superior and inferior fornix conjunctiva, and the Wolffring gland into the tarsal conjunctiva. The lacrimal duct is the drainage path for tears. It begins at the two lacrimal puncta (upper and lower) that open on the eyelid margin about 6 mm from the medial canthus, passes through the two upper and lower lacrimal canaliculi, enters the lacrimal sac, passes through the nasolacrimal duct, and opens into the inferior nasal meatus. This is why your nose sniffles when you cry. …

*Some of the terminology that mentions "lacrimal sac" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…主涙腺は上円蓋耳側部に開口し,また,クラウゼ腺は上下円蓋部結膜に,ウォルフリング腺は瞼板結膜におのおの開口している。涙道は涙の排出路で,内眼角から約6mm耳側の瞼縁に開いている上下2個の涙点lacrimal punctaに始まり,上下2本の涙小管を経て,涙囊lacrimal sacに入り,鼻涙管を通って,下鼻道に通ずる。涙が出ると鼻がぐすぐすするのはこのためである。…

※「lacrimal sac」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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