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子宫内胎儿
学习目标
完成本学习单元后，你将能够：
- 理解胎期子宫，胎盘和胎盘组织的解剖。
- 辨认胎盘的主要结构和血管特征。
- 理解胎盘层次，生殖器官和女性盆腔其他结构的关系。
浏览图谱
胎儿指受精后第8周到出生前的未出生胎儿。子宫内胎儿由羊膜囊包被，羊膜囊是一个膜性囊状结构，具有保护胎儿的作用。
胎盘是母体和胎儿进行气体、养料和物质交换的临时性器官，这种交换由脐带介导。脐带由胎儿组织发育而来，它包含 1 根静脉和 2 根动脉，负责将氧气和养料运输给胎儿、将代谢产物运出胎儿体外。
通过我们的图谱可以探索子宫内胎儿周围的所有结构，以及胎盘的结构和血管组成。
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胎儿
Fetus
1/22
同义词：
胚胎
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:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/maternal-vein/1L7Coji231YDFbJvwTTOA_maternal_vein_magni.png "母体静脉 (Maternal veins)；图像：Irina Münstermann"){kind=logo}
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:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/maternal-circulation/1dLsnmkpn7Eh2qiQWHgCgQ_Maternal_circulation.png "母体循环 (Maternal circulation)；图像：Irina Münstermann"){kind=logo}
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:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/parietal-decidua/dpK4REB1pOeKAquTPbyjQ_Decidua_parietalis_magni.png "壁蜕膜 (Parietal decidua)；图像：Irina Münstermann"){kind=logo}
羊膜绒毛膜
Amniochorion
1/17
同义词：
绒毛膜羊膜
进行测验
通过我们的测验测试关于胎儿，胎盘和女性生殖系统器官的知识：
小结
| 定义 | 胎盘是一种高度特化的临时性器官，作为母体与胎儿组织之间的通道。 |
| 分部 |
子体部：丛密绒毛膜 母体部：底蜕膜 |
| 功能 | 母体与胎儿血液之间代谢产物及气体交换，激素的生成 |
:format(jpeg)/images/article/pen-bu-he-hui-yin/BJt8SXYUZz63dHsSYMg3A_PiltFkqYP9502S3FCBAg_Fascia_pelvis_visceralis_01.png)
:format(jpeg)/images/article/nv-xing-sheng-zhi-qi-guan/aBq8Ru6Ly235ZztKazBjQ_SW8FNwHo6qqoJ0UAJKoVw_Uterus_Whole_Large.png)
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