腹ふく膜まくふくまくFreq.FrequencyTop 100,000Meanings1nounperitoneumanatomyAnatomical term for the serous membrane lining the abdominal cavity and covering the abdominal organs.腹ふく膜まくは腹ふく部ぶの臓ぞう器きを覆おおっている膜まくです。The peritoneum is the membrane that covers the abdominal organs.