large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes

腹部の右上に位置する大きくて複雑な赤褐色の腺器官。胆汁を分泌し、タンパク質、炭水化物、および脂肪の代謝に関与する。血液の凝固に関与する物質やビタミンAを合成し、有毒物質の解毒や老廃赤血球の分解を行う。