胃 refers specifically to the stomach organ.
COMMON PATTERNS:
COMPOUND WORDS:
- 胃腸: stomach and intestines, digestive system
- 胃カメラ: gastroscope
- 胃がん/胃癌: stomach cancer
- 胃薬: stomach medicine
NOTE:
- 胃: the organ (medical/anatomical)
- お腹: belly, tummy (general/conversational)