胃囊

胃囊	wèi náng	stomach (of a human) / (zoology) gastric pouch
胃	wèi	stomach / CL:个
囊	nāng	used in 囊膪 and 囊揣 / used in 鼓鼓囊囊
囊	náng	sack / purse / pocket (for money)