![[大脑后动脉]交通后部 - 脑 - 动脉 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/cerveau-anatomie/images/v4/6fbe9561a7e9ead2aa724ff76b41c5d709dfc2ec015b002694faf3ad0f61121b?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=OTYwLDUzNg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=960&ty=536&w=350&wk=1&s=75afe678161d5a16ef180ed1faea3fef)
[大脑后动脉]交通后部
Pars postcommunicalis; Segmentum P2
- 相关用语: 大脑后动脉: [大脑后动脉]交通后部
定义
交通后段；P2段：从后交通动脉（PCOM）绕行至中脑，分为P2A（前段）和P2P（后段）两个亚段。P2A位于脚间池内，随后延续至位于环池内的P2P段（因此又称环池段）。
參考資料
交通后段；P2段：从后交通动脉（PCOM）绕行至中脑，分为P2A（前段）和P2P（后段）两个亚段。P2A位于脚间池内，随后延续至位于环池内的P2P段（因此又称环池段）。
參考資料
![[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 颅侧 (左前斜:45°- 头位:10°) - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-angiogram-dsa/images/v1/3829bbf4859c9ea6961f9e62a9d49df87efc956b73d9ae4d4652c5e25d39b4c7?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=ODI2LDcwMg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=826&ty=702&w=200&wk=1&s=f43d77cf26a33946544bb44d5e3f5f43 "[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 颅侧 (左前斜:45°- 头位:10°) - e-Anatomy")
![[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 外侧 ((左前斜:90°- 头位:0°) - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-angiogram-dsa/images/v1/ae8b117beb5f2273d469dcb033a6f21ed47c4c33056b9a5b5de7595a31ca495d?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=Mjc4LDQ4Mg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=278&ty=482&w=200&wk=1&s=6a663e2ac901761dbf64d0372fa1f7e8 "[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 外侧 ((左前斜:90°- 头位:0°) - e-Anatomy")
![[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 斜视图 (左前斜:45°- 右前斜:0°) - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-angiogram-dsa/images/v1/9d41dac4a0a808d7c4a00d2f22305a04ff690f3f4ee6950c810902c382d57528?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=ODA0LDI3OA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=804&ty=278&w=200&wk=1&s=4497e2fc01167a50ad545a0e6bb2021f "[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 斜视图 (左前斜:45°- 右前斜:0°) - e-Anatomy")
![[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 斜视图 (左前斜:45°- 头位:10°) - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-angiogram-dsa/images/v1/d3b34898531b36724d18bb7b77c87e481a0b47b06a2b5bccdba9b4eae4aebc5f?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=NzIwLDMyNA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=720&ty=324&w=200&wk=1&s=5d1c29b24ab859481a2023e8d7ebe6e8 "[大脑后动脉]交通后部 - 脑动脉造影 - 椎动脉 - 斜视图 (左前斜:45°- 头位:10°) - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部CT - 轴 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-ct/images/v1/984e6e5e7128a92f88856713e153e2098e8bf56b06da5459d37e5df3930f15d6?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjUwLDM3MA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=250&ty=370&w=200&wk=1&s=29a750a35bb8088b4311b39a9f70e414 "[大脑后动脉]交通后部 - 脑部CT - 轴 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部CT - 矢状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-ct/images/v1/6cb01a88621cab45a3e3e59140635e28a9ab9925c85458407ee6db5233afc241?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MzQ1LDM2Ng&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=345&ty=366&w=200&wk=1&s=e605e3d74829987642fca0a684124e70 "[大脑后动脉]交通后部 - 脑部CT - 矢状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部CT - 冠状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-ct/images/v1/4153aa6d31633bbb5b298439ebbaf61c4732678a522512270b289d80ad2cf0e4?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjM1LDM2Mw&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=235&ty=363&w=200&wk=1&s=5c07ed0fe24fc5eaa76ff2e165e28ec6 "[大脑后动脉]交通后部 - 脑部CT - 冠状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑血管MRI - 轴 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-tof/images/v1/9471dfe5f9168cdd0f17b6e10a457b569b8818c9a0f53a7df3c3c81b4778bffc?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjQ5LDM1OQ&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=249&ty=359&w=200&wk=1&s=ef9f8e58a863051c0800faad969278f9 "[大脑后动脉]交通后部 - 脑血管MRI - 轴 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑血管MRI - 矢状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-tof/images/v1/5b6af7b9081767ebaddf58b1196f84fca9ae6cf912ddfc5245362698b7ba1139?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MzA0LDM5NA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=304&ty=394&w=200&wk=1&s=e036826d3e465a0bdb2e4d9bcbe567e1 "[大脑后动脉]交通后部 - 脑血管MRI - 矢状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑血管MRI - 冠状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-tof/images/v1/a1f5f975944e6d42fee642def4bd99ab7315385c0a56d3c5fdbe0058a20e4fff?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjQyLDQwMg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=242&ty=402&w=200&wk=1&s=e730b9ece4e46ae76f24dde4a48e54c3 "[大脑后动脉]交通后部 - 脑血管MRI - 冠状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑血管MRI - 三维-MIP 水平旋转 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-tof/images/v1/208c9f0f562a60c816b26aac0ba5d9cacddf9d098c7da6020753c83822ea97b0?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=Mzk4LDM4MQ&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=398&ty=381&w=200&wk=1&s=285e4fe688d773f54ea1ab899c114c15 "[大脑后动脉]交通后部 - 脑血管MRI - 三维-MIP 水平旋转 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑血管MRI - 三维-MIP 垂直旋转 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain-tof/images/v1/e4f7794d23814776598021b0b9351c7bed66763f8ce77d9c80b0c523bc9b85c7?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjUzLDI4Ng&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=253&ty=286&w=200&wk=1&s=3a076f360b2a3242b2a2d0b935d5a77d "[大脑后动脉]交通后部 - 脑血管MRI - 三维-MIP 垂直旋转 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部MRI - 轴 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain3dmri/images/v1/af43f2da853877bf8ec521d088148d730b63a55b8797dcf85fdfe03160ac5231?ar=640:670&auto=format,compress&bg=000000&fit=clip&p64=MTk5LDMwNA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=199&ty=304&w=200&wk=1&s=5eaf3b83b58b49498263f1e244f37426 "[大脑后动脉]交通后部 - 脑部MRI - 轴 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部MRI - 冠状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain3dmri/images/v1/b6a84d85722c519ca4cfec4962badea9abd216a1a24fddf84fde085dfb2e441e?ar=640:670&auto=format,compress&bg=000000&fit=clip&p64=MTgzLDM0OA&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=183&ty=348&w=200&wk=1&s=2f16f6d853a9a297113685e37327dbba "[大脑后动脉]交通后部 - 脑部MRI - 冠状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部MRI - 矢状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain3dmri/images/v1/ce2c6dccdb9e892aa856187f3b670f837e34103d1dac3082e90aa1aac39fbe4e?ar=640:670&auto=format,compress&bg=000000&fit=clip&p64=MjMyLDI4Mg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=232&ty=282&w=200&wk=1&s=06ea9cfee968bed9e8fb70f6e26f30f4 "[大脑后动脉]交通后部 - 脑部MRI - 矢状 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑部MRI - 三维 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/brain3dmri/images/v1/4617753e7b9b30801060b4b7dd4df55231448c62c7e6a30dddfe213f27d8a786?ar=640:670&auto=format,compress&bg=000000&fit=clip&p64=Mjc5LDM0Mg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=279&ty=342&w=200&wk=1&s=730b9c8cf0f18f7f99037169ea0ccd8b "[大脑后动脉]交通后部 - 脑部MRI - 三维 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑 - 动脉 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/cerveau-anatomie/images/v4/6fbe9561a7e9ead2aa724ff76b41c5d709dfc2ec015b002694faf3ad0f61121b?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=OTYwLDUzNg&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=960&ty=536&w=200&wk=1&s=9f007994c4381d314e63820b6c15fbe7 "[大脑后动脉]交通后部 - 脑 - 动脉 - e-Anatomy")
![[大脑后动脉]交通后部 - 脑 - 动脉 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/cerveau-anatomie/images/v4/05c4e63d0a3c4da76361dce943f55b59ab47b4b79fa7093e9a911db10110705f?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=Nzg2LDI2Ng&t=W-Wkp-iEkeWQjuWKqOiEiV3kuqTpgJrlkI7pg6g&tf=Tm90byBTYW5zIFND&tx=786&ty=266&w=200&wk=1&s=584c73c47145187d27f2ad76cd3e5ad8 "[大脑后动脉]交通后部 - 脑 - 动脉 - e-Anatomy")
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