Subacute inflammation

Japanese: 亜急性炎症 - あきゅうせいえんしょう
Subacute inflammation

Macrophages that originate from sources other than blood are cells that belong to the so-called reticuloendothelial system, such as histiocytes in tissues, Kupffer stellate cells in the liver, alveolar macrophages in the lungs, macrophages in lymph nodes and the spleen, and macrophages derived from the pleural and peritoneal epithelium.
[Types of inflammation]
Inflammation can be classified according to its duration into acute inflammation, which disappears within about a month, chronic inflammation, which lasts for several months to several years, and subacute inflammation, which is intermediate between the two. In addition, there are the following histopathological classifications of inflammatory lesions.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…血液以外から由来するマクロファージは,組織に存在する組織球,肝臓のクッパー星細胞,肺の肺胞マクロファージ,リンパ節や脾臓にあるマクロファージおよび胸膜や腹膜上皮由来のマクロファージなど,いわゆる細網内皮系reticuloendothelial systemといわれているものに属する細胞である。
[炎症の種類]
 炎症は,その持続期間によって分類すると,ほぼ1ヵ月以内に消える急性炎症acute inflammation,数ヵ月から数年にわたる慢性炎症chronic inflammationに分けられ,その中間の炎症は亜急性炎症subacute inflammationという。また炎症病巣の病理組織学的な分類では次のものがある。…

※「亜急性炎症」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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