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手部神经血管
学习目标
完成本学习单元后，你将学会：
- 认识手的主要血管及其供应区域。
- 列举手部神经，熟悉它们的起源。
观看视频
手部动脉起始于桡动脉和尺动脉，它们吻合形成掌深弓与掌浅弓，为手指、肌肉及关节供血。引流静脉主要与动脉伴行，经过庞大的手背静脉网汇入前臂的贵要静脉和头静脉，再汇入尺静脉和桡静脉。正中神经和尺神经除了支配手肌，还与桡神经共同支配皮肤感觉。
以下视频教程将为你概述手的动脉、静脉和神经。
进行测验
你已经观看了关于手部神经血管的视频，来进行测试巩固知识吧。
你也可以完全定制测验，以更广泛地测试上肢神经血管相关知识：
浏览图谱
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:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/2837/wX5bS3hspcfHjWTX0kzLlg_arteries-of-the-hand-dorsal-view_cn.jpg){kind=logo}
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/2827/RZAaPUsZBmbm3sOJL2Ag_veins-of-the-hand-palmar-view_cn.jpg){kind=logo}
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:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/2832/M6gPwLfVAFGyJjLBFB8hA_nerves-of-the-hand-palmar-view_cn.jpg){kind=logo}
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/2847/jdmRjLyrzKhoe5KBzpA_nerves-of-the-hand-dorsal-view_cn.jpg){kind=logo}
在图谱库中仔细研究手部神经血管的每个结构，进行全面复习：
手部动脉
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:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-carpal-branch-of-ulnar-artery/DLucJXsgGGJWrXEFFYdiA_Palmar_carpal_branch_of_ulnar_artery.png "尺动脉腕掌支 (Palmar carpal branch of ulnar artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/superficial-palmar-branch-of-radial-artery-9/y7ExdJV99oKaYIlZEwxw_Superficial_palmar_branch_of_radial_artery.png "桡动脉掌浅支 (Superficial palmar branch of radial artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arcus-palmaris-superficialis/rkvfVEJUAVF16UJ9jyl2g_Superficial_palmar_arch.png "掌浅弓 (Superficial palmar arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arteriae-digitales-palmares-communes/53D8MxNeTlkqrCE6FXZdjw_Common_palmar_digital_arteries.png "指掌侧总动脉 (Common palmar digital arteries)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arteriae-digitales-palmares-propriae/tfrYf8M0PAboLTGqVhGKAQ_Proper_palmar_digital_arteries.png "指掌侧固有动脉 (Proper palmar digital arteries)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-digital-artery-of-little-finger/FBFby5ZQ415aMPy6nHoEfw_Palmar_digital_artery_of_little_finger.png "小指掌侧指动脉 (Palmar digital artery of little finger)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/deep-palmar-branch-of-ulnar-artery/66zFBRXHGIHJFTvt1iSakw_Deep_palmar_branch_of_ulnar_artery.png "尺动脉掌深支 (Deep palmar branch of ulnar artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arcus-palmaris-profundus/ej8ijWZulSTWwma01n0Fw_Deep_palmar_arch.png "掌深弓 (Deep palmar arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/recurrent-branches-of-deep-palmar-arch/a32AxStUqr0QOUnDNqjw_Recurrent_branches_of_deep_palmar_arch.png "掌深弓返支 (Recurrent branches of deep palmar arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arteria-princeps-pollicis/yC57OByQrRv4zqP39YpTg_Princeps_pollicis_artery.png "拇主要动脉 (Princeps pollicis artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-ulnar-digital-artery-of-thumb/Q7J8UnXG6UloOsGXjmCKQ_Palmar_ulnar_digital_artery_of_the_thumb.png "拇指尺掌侧动脉 (Palmar ulnar digital artery of thumb)；图像：Yousun Koh"){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/radialis-indicis-artery/Q6Uss3mfPpXcIAnvcwRBtQ_Radialis_indicis_artery.png "示指桡侧动脉 (Radialis indicis artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-metacarpal-arteries/A45FoyqJ5db7Pn4I3V71pw_Palmar_metacarpal_arteries.png "掌心动脉 (Palmar metacarpal arteries)；图像：Yousun Koh"){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/rete-carpale-dorsale/OTzimKJCaZRJamlDK3SQyg_Dorsal_radiocarpal_arch.png "桡腕背侧吻合 (Dorsal radiocarpal anastomosis)；图像：Yousun Koh"){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/arcus-dorsalis-carpi/m6x6xMl6IT4FNbnQpfRQ_Dorsal_carpal_arch_1.png "腕背网 (Dorsal carpal arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arteriae-metacarpales-dorsales/HVMj5h0en7NlDbzBQS94Q_Dorsal_metacarpal_arteries.png "掌背动脉 (Dorsal metacarpal arteries)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/basal-metacarpal-arch/E6uaFEItIQaxRVRMpKpg_762_hand_muscles_neurovasculature_dorsal_view_YK.png "腕背侧动脉网 (Basal metacarpal arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/arteriae-digitales-dorsales/4VnmETKL9aTEsdXy1wMODg_Dorsal_digital_arteries_of_hand.png "指背动脉 (Dorsal digital arteries of hand)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/1st-dorsal-metacarpal-artery/7k07DonfF0C57yod7Lhcg_1st_dorsal_metacarpal_artery.png "第1掌背动脉 (1st dorsal metacarpal artery)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-radial-digital-artery-of-thumb/cK55hRw46IhEYMc7a7xWw_Dorsal_radial_artery_of_thumb.png "拇指桡背侧动脉 (Dorsal radial digital artery of thumb)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-ulnar-digital-artery-of-thumb/msszz8WCjcS386AJPWoUA_Dorsal_ulnar_artery_of_thumb.png "拇指尺背侧动脉 (Dorsal ulnar digital artery of thumb)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-digital-artery-of-little-finger/diBph0jLK7hpHgW2MSPkYw_Dorsal_digital_artery_of_little_finger.png "小指指背动脉 (Dorsal digital artery of little finger)；图像：Yousun Koh"){kind=logo}
桡动脉腕掌支
Palmar carpal branch of radial artery
1/27
同义词：
无
手部静脉
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-digital-veins-of-hand/5uD42sEG0uScq6G93gxA_Dorsal_digital_veins_of_hand.png "指背静脉 (Dorsal digital veins of hand)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/intercapitular-veins-of-hand/dvITNu7F4agglAc95O7krA_Intercapitular_veins_of_hand.png "掌骨头间静脉 (Intercapitular veins of hand)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-metacarpal-veins/R8zmFd3v1XnqnkN5V1eJg_Dorsal_metacarpal_veins.png "掌背静脉 (Dorsal metacarpal veins)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-venous-network-of-the-hand/4lIhY1DE6ixGnfSmBauKvw_Dorsal_venous_network_of_hand.png "手背静脉网 (Dorsal venous network of hand)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-digital-veins/KsebxAvCNHJVX97zUABxg_palmar-digital-veins.jpg "指掌侧静脉 (Palmar digital veins)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-metacarpal-veins/mwrt33aghJKXwfvSA9na2Q_palmar-metacarpal-veins.jpg "掌心静脉 (Palmar metacarpal veins)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/deep-venous-palmar-arch/wFTg9YUUmiCN4CWYtDQ_Deep_venous_palmar_arch.png "掌深静脉弓 (Deep venous palmar arch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/superficial-venous-palmar-arch/OHxAL32ml4OTSuXUT67xg_Superficial_venous_palmar_arch.png "掌浅静脉弓 (Superficial venous palmar arch)；图像：Yousun Koh"){kind=logo}
手部神经
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-digital-branches-of-radial-nerve/qSoe13tZL03veJu1hTKfQA_Dorsal_digital_branches_of_radial_nerve.png "桡神经指背神经 (Dorsal digital branches of radial nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/ramus-dorsalis-nervi-ulnaris/6rNas5LFmuOKsG3ucsfw_Dorsal_branch_of_ulnar_nerve.png "尺神经手背支 (Dorsal branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-digital-branches-of-ulnar-nerve/3hLRKRrVVDyRaRnH9amqg_Dorsal_digital_branches_of_ulnar_nerve.png "尺神经背侧支 (Dorsal digital branches of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/dorsal-branch-of-the-ulnar-nerve/284iPvyUGYGIApkRrICRg_Dorsal_branch_of_ulnar_nerve_anterior_view.png "尺神经手背支 (Dorsal branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/deep-branch-of-the-ulnar-nerve/Cl9LaU6pZ0276PnvyLSi9Q_Deep_branch_of_ulnar_nerve.png "尺神经深支 (Deep branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/superficial-branch-of-the-ulnar-nerve/qSpRwVurSv7EZ5WM0r9J7g_Superficial_branch_of_ulnar_nerve.png "尺神经浅支 (Superficial branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-digital-branch-of-ulnar-nerve/uyq8r6yYS60pjtcpyJ1ng_Palmar_digital_branch.png "尺神经指掌侧固有神经 (Palmar digital branch of ulnar nerve of little finger)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/common-palmar-digital-branches-of-ulnar-nerve/YqqVUxEhgainps11FjrqKQ_Common_palmar_digital_branch_of_ulnar_nerve.png "尺神经指掌侧总神经 (Common palmar digital branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/proper-palmar-digital-branches-of-ulnar-nerve/21bNJnuqBVsiGd7tPV0Arg_Proper_palmar_digital_branches_of_ulnar_nerve.png "尺神经指掌侧固有支 (Proper palmar digital branches of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-branch-of-ulnar-nerve/SJV1wcFYw58xj4JiSA_Palmar_branch_of_ulnar_nerve.png "尺神经掌支 (Palmar branch of ulnar nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/palmar-branch-of-median-nerve/t4FmSX8jAlf9Du2YqEwA_Palmar_branch_of_median_nerve.png "正中神经掌支 (Palmar branch of median nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/recurrent-branch-of-median-nerve/y9JatBgc5Z506gsvjTSyw_Recurrent_branch_of_median_nerve.png "正中神经返支 (Recurrent branch of median nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/common-palmar-digital-branches-of-median-nerve/ka3eFzqJVWiIphFxHFipIQ_Common_palmar_digital_branches_of_median_nerve.png "正中神经指掌侧总支 (Common palmar digital branches of median nerve)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/nervi-digitales-proprii-nervi-medianus/l6dqqy6D1Qbmv4LArO9g_Proper_palmar_digital_branches_of_median_nerve.png "指掌侧固有神经 (Proper palmar digital branches of median nerve)；图像：Yousun Koh"){kind=logo}
小结
| 桡动脉 | 掌支 |
| 尺动脉 |
掌支 尺动脉腕掌支 尺动脉掌深支 背支 尺动脉腕背支（发出小指指背动脉） |
| 动脉弓 |
由桡动脉和尺动脉吻合形成 掌侧弓 掌浅弓（发出掌侧总动脉、掌侧固有动脉和小指尺侧掌动脉） 掌深弓（发出掌心动脉和穿支） 背侧弓 腕背网（发出掌背动脉和指背动脉） |
| 头静脉 | 手背静脉网，掌背静脉外侧，指背静脉 |
| 贵要静脉 | 手背静脉网，掌背静脉内侧，指背静脉 |
| 桡静脉 | 掌深静脉弓，掌心静脉 |
| 尺静脉 | 掌浅静脉弓，指掌侧静脉 |
| 手部神经 |
正中神经：掌支、返支和指掌侧总神经（发出指掌侧固有神经） 尺神经：手背支、指背支、手掌支、浅支（发出指掌侧总神经和指掌侧固有神经）和深支 桡神经：浅支（发出指背神经） |
| 肌神经支配 |
正中神经：鱼际和第1、2指蚓状肌 尺神经：小鱼际、骨间肌和第3、4蚓状肌 |
| 皮肤神经支配 |
正中神经：手掌桡侧2/3，以及桡侧三个半指的掌面和背面远端 尺神经：手掌尺侧1/3，尺侧一个半指掌面；手背尺侧半，尺侧两个半指背面 桡神经：手背桡侧半，桡侧两个半指近、中节背面 |
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