Liver Bile - Kantanju

Japanese: 肝胆汁 - かんたんじゅう
Liver Bile - Kantanju

...Even when fasting, the gallbladder contracts rhythmically, causing small amounts of gallbladder bile to flow into the duodenum. Generally, when food enters the duodenum, the amino acids and fatty acids contained in the food stimulate the duodenal and jejunal mucosa, which releases a gastrointestinal hormone called cholecystokinin, which acts directly on the gallbladder wall, causing strong gallbladder contractions and releasing a large amount of bile into the duodenum. The amount of hepatic bile produced in the liver and excreted into the bile duct each day is approximately 1500 ml in adults.
[component]
Bile contains organic and inorganic substances, but more than 95% of liver bile is water.

From [Gallbladder]

...It may cause intramural gallstones or cholecystitis.
[function]
Functionally, the gallbladder stores about half of the bile produced by the liver every day and excreted as hepatic bile, and regulates its release. However, many animals do not have a gallbladder, and even in humans, cholecystectomy is actively performed if gallstones are present, so the gallbladder is not an essential organ for the body.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…空腹時においても胆囊はリズミカルに収縮し,少量ずつ胆囊胆汁を十二指腸へ流出させているが,一般的には食餌が十二指腸に入ることにより,その中に含まれるアミノ酸,脂肪酸などが十二指腸,空腸粘膜を刺激し,そこからコレシストキニンという消化管ホルモンが放出され,これが胆囊壁に直接作用して,強い胆囊収縮をおこし,大量の胆汁が十二指腸に放出される。肝臓で1日につくられ胆管に排出される肝胆汁量は,成人でおおよそ1500ml前後である。
[成分]
 胆汁中には有機,無機の物質が含まれているが,肝胆汁の95%以上は水分である。…

【胆囊】より

…胆囊壁内胆石あるいは胆囊炎の原因となりうる。
[機能]
 機能的には胆囊は,毎日肝臓でつくられ,肝胆汁として排出される胆汁のおおよそ1/2くらいの量を蓄え,放出を調節している。しかし,胆囊をもたない動物も多く,またヒトの場合も,胆石などが存在すれば積極的に胆囊摘出術が行われており,胆囊は生体にとって必要不可欠の臓器ではない。…

※「肝胆汁」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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