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孕十周胎儿胎盘多少算正常
更新时间: 2020-11-04 00:00:00  

孕十周胎儿胎盘大概2.83cm,胎儿各器官均已形成,胎盘雏形形成。胎盘是母体与胎儿间进行物质交换的器官,是胚胎与母体组织的结合体,由羊膜、叶状绒毛膜(chorionfrondosum)和底蜕膜构成,胎盘又叫胞衣、衣胞、紫河车、胎衣、胎膜。

关键词: 胎儿 胎盘 多少 正常

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