… The medulla has a lower cell density than the cortex, but the essential difference between the medulla and the cortex is unclear. However, small cell groups called Hassall's corpuscles can be seen here and there in the medulla. These are epithelial reticular cells that have begun to degenerate and have become flattened and overlap in a concentric pattern, and the cells in the center have lost their nuclei. … *Some of the terminology that mentions "Hassall's corpuscle" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 髄質は,皮質と比べて細胞密度が低いが,皮質との本質的な差異は不明である。ただ髄質のところどころにハッサル小体Hassall’s corpuscleとよばれる小細胞集団がみられる。これは,変性しかけた上皮性細網細胞が扁平化し同心円状に重なったもので,中心部の細胞は核を失っている。… ※「Hassall's corpuscle」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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