hordeolum

...This term is mainly used in the Kanto region, and is called variously, such as memorai, mekojiki, mebo, and mebachiko, depending on the region. In the narrow sense, it is thought to refer to hordeolum, especially external styes, but in the broad sense, it also includes internal styes and chalazions. External styes are purulent inflammations that occur in the sebaceous glands of the eyelid margin or in the hair follicles of the eyelashes, while internal styes are purulent inflammations that occur in the tarsal glands (meibomian glands). Both types of styes are accompanied by localized swelling and pain. ...

*Some of the terminology explanations that mention "hordeolum" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…おもに関東地方で使われる言葉で，地方により，メモライ，メコジキ，メボ，メバチコなど，さまざまに呼ばれる。狭義には，麦粒腫hordeolum，とくに外麦粒腫をさすと思われるが，広義には，内麦粒腫や霰粒腫（さんりゆうしゆ）も含まれる。外麦粒腫は瞼縁の皮脂腺あるいはまつ毛の毛囊部にできる化膿性の炎症であり，内麦粒腫は瞼板腺(マイボーム腺)に起こる化膿性の炎症で，いずれの麦粒腫も限局性の腫張と疼痛を伴う。…

※「hordeolum」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。

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