Gallstones

Japanese: 胆石 - たんせき

These stones form in the gallbladder or biliary tract. They range in size from a grain of sand to the size of a chicken egg. They are mainly composed of cholesterol and bilirubin (bile pigments), and rarely contain calcium, fatty acids, polysaccharides, etc., and mixed stones of these substances are also seen. The causes of stones are bile stasis, changes in bile components, and inflammation of the biliary tract or gallbladder. It is said that one in 15 to 20 Japanese adults has gallstones, but some people do not develop gallstones and remain asymptomatic. These people are called gallstone carriers and are distinguished from people with gallstones.
→Related items γ-GTP | Colic | Biliary tract cancer | Cholecystitis | Antispasmodics | Laparoscopic surgery | Biliary drugs

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

胆嚢や胆道に形成される結石。大きさは砂粒〜鶏卵大ぐらいまで。成分は主としてコレステロールとビリルビン（胆汁色素）で，まれにカルシウム，脂肪酸，多糖類などがあり，これらの混成石もみられる。結石の原因は胆汁の鬱滞(うったい)，胆汁成分の変化，胆道や胆嚢の炎症。日本人の成人の15〜20人に１人は胆石があるといわれるが，胆石症を起こさず無症状のまま経過することもあり，その人を胆石保持者と呼んで胆石症患者と区別する。
→関連項目γ-GTP｜疝痛｜胆道癌｜胆嚢炎｜鎮痙薬｜腹腔鏡下手術｜利胆薬

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