adenoma

Japanese: adenoma
adenoma

...Here we discuss adenomas, non-neoplastic polyps, and polyposis.
[Adenoma]
It is caused by the neoplastic proliferation of epithelial cells in the glandular ducts, which are the main components of the mucosa. There are tubular adenomas, which are made up of proliferation of only the glandular ducts, villous adenomas, which are caused by proliferation of the mucosal surface epithelium, and mixed types. The mixed type was once called papillary adenoma, but is now called tubulovillous adenoma.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ここでは腺腫と非腫瘍性ポリープ,ポリポーシスについて述べる。
[腺腫adenoma]
 粘膜の主要構成成分である腺管の上皮細胞の腫瘍性増殖によるもので,腺管のみの増殖からなる腺管腺腫,粘膜表層上皮の増殖によって生じる絨毛(じゆうもう)腺腫,その混在型が存在する。混在型を乳頭腺腫と呼称したこともあったが,現在は腺管絨毛腺腫という。…

※「adenoma」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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>>:  adenohypophysis

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