卵黃囊 Save Create a free account to save words Simplified: 卵黄囊 luǎnhuángnáng ㄌㄨㄢˇ ㄏㄨㄤˊ ㄋㄤˊ 男 女 yolk sac (ectodermal cells attaching fetus to uterus before the development of the placenta) Character by character 卵(luǎn)egg 黃(huáng)yellow 囊(náng)sack Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0