…The base of the villi invaginates into the lamina propria of the mucosa, reaching close to the muscularis mucosae. This area is called the intestinal crypt, intestinal gland, or Lieberkühn's gland. Paneth's cells are found here, as well as mucus-secreting goblet cells (goblet cells are also found scattered in the mucosal epithelium other than the intestinal crypts), and various endocrine cells that secrete gastrointestinal hormones such as secretin, cholecystokinin (CCK), motilin, and gastrin. … From the Small Intestine…The surface area of the small intestine is three times that of a simple cylinder due to the presence of Körgling's folds, 30 times that of a simple cylinder (about 100,000 cm2) due to the presence of villi, and 600 times that of a simple cylinder (about 2 million cm2) due to the presence of microvilli, making digestion and absorption in the small intestine easy. In addition, glands called intestinal glands (Lieberkühn's glands or intestinal crypts) open between the villi. The mucosal surface is dotted with tonsil-like tissue called isolated lymph nodules or aggregate lymph nodules (Peyer's patches), the latter of which are only found in the ileum. … *Some of the terminology that mentions "Lieberkühn's gland" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…絨毛の基部は粘膜固有層内に陥入し,粘膜筋板近くに達している。この部分を腸陰窩(か)または腸腺,リーベルキューン腺Lieberkühn’s glandという。ここにはパネート細胞Paneth’s cellがみられ,そのほか粘液を分泌する杯(さかずき)細胞(杯細胞は腸陰窩以外の粘膜上皮層にも点在する)や,セクレチン,コレシストキニン(CCK),モチリン,ガストリンなどの消化管ホルモンを分泌する種々の内分泌細胞がある。… 【小腸】より…小腸の表面積はまずケルクリングひだの存在により,単純な円筒としての面積の3倍となり,さらに絨毛の存在で30倍(約10万cm2),微絨毛の存在で600倍(約200万cm2)という膨大なものとなり,小腸内での消化,吸収を容易にしている。また絨毛の間には腸腺(リーベルキューン腺Lieberkühn’s glandまたは腸陰窩(か)crypt)と呼ぶ腺が開口する。粘膜面には孤立リンパ小節あるいは集合リンパ小節(パイエル板Peyer’s patch)と呼ぶ扁桃に似た組織がところどころにあり,後者は回腸のみに存在している。… ※「Lieberkühn's gland」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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