字典網>> 英漢字典>> Y開頭詞條>>yolk-sac entoderm的意思 漢英字典yolk-sac entoderm中文翻譯：【醫】 卵黃囊內胚層yolk-sac entoderm 相關詞條：yolk cells yolk-sac umbilicus yolk granules yolk blastopore yolk-stopper yolk agar yolk membranes yolk-sac placenta yolk stalk yolk of wool