肝臓 refers to the liver. 肝 means 'liver' and 臓 means 'organ.'
Functions
Common expressions
- 肝臓が悪い: to have liver problems
- 肝臓の数値: liver values (in blood tests)
- 肝臓に負担がかかる: to strain the liver
- 肝臓がん: liver cancer
- 肝硬変: cirrhosis
Idiomatic
- 肝: courage, spirit (from the belief that courage resides in the liver)
- 肝が座っている: to be brave/composed
Food
- レバー: liver (as food, from English 'liver')