![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/d616ef8e9b4e4c39b625ed3b031618127b43565f031093d41ab69c24f7b55c44?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDkyLDEzMDI&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=492&ty=1302&w=350&wk=1&s=d485a35c319289bfc9cffdf342d2dd0b)
[桡骨]茎突
Processus styloideus radii
定义
桡骨下端的外侧面斜向下方延伸，形成一个强健的锥形突起，即桡骨茎突，其基底部附着肱桡肌的肌腱，其尖端附着腕关节桡侧副韧带。该突起的外侧面有一浅平的沟槽，供拇长展肌和拇短伸肌的肌腱通过。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
![[桡骨]茎突 - 手部MRI - 轴 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/hand-mr/images/v1/35cc95803d9ebba002835a65cd8d0b94bfc9c35d76c7a1bf91469d53a54cb738?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjQzLDM5Nw&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=243&ty=397&w=200&wk=1&s=9495319252ad2c4976851921b26e41c8 "[桡骨]茎突 - 手部MRI - 轴 - e-Anatomy")
![[桡骨]茎突 - 手部MRI - 矢状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/hand-mr/images/v1/bf1aafadf7bd7d9e70c8e8c00f6dba83c8c47928f2df79e5f4a903b7a7274302?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MzMzLDg3&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=333&ty=87&w=200&wk=1&s=3c0cc3b72626504110c9e5fd596e4f7c "[桡骨]茎突 - 手部MRI - 矢状 - e-Anatomy")
![[桡骨]茎突 - 手部MRI - 冠状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/hand-mr/images/v1/7e13d2972feec115ed7e9d97c5508ceaf0b475a4e041ecfd39c598a9f460fdd3?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=Mjk5LDQ0&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=299&ty=44&w=200&wk=1&s=4bace2da8e3e0f050fc260fc86071eae "[桡骨]茎突 - 手部MRI - 冠状 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/d616ef8e9b4e4c39b625ed3b031618127b43565f031093d41ab69c24f7b55c44?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDkyLDEzMDI&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=492&ty=1302&w=200&wk=1&s=d1d25940bc712b1723cabf6e0de3f66e "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/bbf91a826a93f065bc815706cf8da33b54dbdc916a5c83439f61574b833dc766?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDkyLDEzMDI&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=492&ty=1302&w=200&wk=1&s=b092e47f4faa7d80c092ed73ce6f7b45 "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/e24ae10bfd5870064f95d3947a4dcd9516bc52e8edaeb07501de05c321bebf65?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzI2LDEzMDI&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=726&ty=1302&w=200&wk=1&s=40a52b7f60bef87694b5af009f93c2fe "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/763a35c320b5432626cd3664d3811d95d7b6849982a7f332b684f2058a3d4324?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzI2LDEzMDI&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=726&ty=1302&w=200&wk=1&s=d033ec3822eaee0185a24e2d8b22f64f "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/6a3d0e43762697aa646d379cef1c53ce730a6e6058b9cf634c00b4b973ab7ad3?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDk2LDQzNA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=496&ty=434&w=200&wk=1&s=9b33a4bc29f2126c8a9f95ae82b3664d "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/f423398e01cba003fc7fdab3e9134110c80b37826d0a5ac0b7f20e8966b13bc1?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=ODA2LDQ3MA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=806&ty=470&w=200&wk=1&s=3a4e0facd221608caabba3e8a9fd2989 "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/feee491cd9a80e15c79fba6a2fce4269ddb67e7665d39a22489d9197ad92f66e?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzM2LDI0MA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=736&ty=240&w=200&wk=1&s=a1c0d40d4723246ffb69d6367c3d008f "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/e297a1c4b0ee60de20b7bb02842849d06c3610b1f26d1e67a6c3d0a0fa984de1?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzM2LDI0MA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=736&ty=240&w=200&wk=1&s=b47549fb0d1297d73d674faee84415c8 "[桡骨]茎突 - 上肢 - 上肢骨, 自由上肢骨 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/04bc4e95e2232a98bba85b9e4f270d33002e153330ae00a7176d255d16df1507?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDY2LDQ1OA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=466&ty=458&w=200&wk=1&s=d3c0f1f0b50c3d69ff19c2f76b994bd4 "[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/3911c4150104d46aa6ee8c72a3893d6212412c57ac1dbd2fafcb0b4e3a1da19a?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=ODAyLDQ4NA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=802&ty=484&w=200&wk=1&s=4226f66224ac70a6f6d30b003acc5091 "[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/37b856606f5d713294a443b00a4753a83c51b15c924d2132013cf76e7d638624?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=ODAyLDUyNg&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=802&ty=526&w=200&wk=1&s=d915330d95fb8ce359b16e5bad389c96 "[桡骨]茎突 - 上肢 - 自由上肢连结 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢动脉 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/169ba74b707e5ecfd7d5776dc74f8831a2b46c556cb67f480535c6ac63624229?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NTM4LDMyNA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=538&ty=324&w=200&wk=1&s=1775a0c3d8cc016f3e939978756fff60 "[桡骨]茎突 - 上肢 - 上肢动脉 - e-Anatomy")
![[桡骨]茎突 - 上肢 - 上肢动脉 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-anatomie/images/v2/0c3aa6254ea94510606373e073793e4dc14df7de9f878251d87942524c526890?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=Njk4LDI1OA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=698&ty=258&w=200&wk=1&s=861c0c436ab31ab6310766c40fd98fa6 "[桡骨]茎突 - 上肢 - 上肢动脉 - e-Anatomy")
![[桡骨]茎突 - 上肢X光照片 - 前臂 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-radios/images/v1/8a4cb73dd591a2fcd1786e8bf1e5116040feee29fb05500329661bef04c0c47c?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=Mjc4LDU2MQ&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=278&ty=561&w=200&wk=1&s=0b9cd11395da39f0bdf0b36d5ace9c45 "[桡骨]茎突 - 上肢X光照片 - 前臂 - e-Anatomy")
![[桡骨]茎突 - 上肢X光照片 - 腕 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-radios/images/v1/9a846ac141d101254a1cffd596a13b36d37bb3d8e37684663d7b652ab153d95c?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MTM3LDIzMw&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=137&ty=233&w=200&wk=1&s=07e9953a99b6bc449ef1ca0e80879507 "[桡骨]茎突 - 上肢X光照片 - 腕 - e-Anatomy")
![[桡骨]茎突 - 上肢X光照片 - 手 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/ms-radios/images/v1/511ea0ba7456e29591f583de95c3d9d9478b833602a4dfe4b352519a818c76c1?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MzM1LDcy&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=335&ty=72&w=200&wk=1&s=c00d2e80a53aa5eb45d4eb90ced0ec15 "[桡骨]茎突 - 上肢X光照片 - 手 - e-Anatomy")
![[桡骨]茎突 - 上肢MRI - 腕 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/upper-limb/images/v1/8fe030a26bb5c1421d9384925dcfe53c72f2be91fc186d5d294e355cd67e0bea?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MTM2LDEzNw&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=136&ty=137&w=200&wk=1&s=c3af6474a5464fbf7bdc91b0d8b804a7 "[桡骨]茎突 - 上肢MRI - 腕 - e-Anatomy")
![[桡骨]茎突 - 腕MRI - 轴 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/wrist-mri-3d/images/v1/0a2fe86bc44a975e67ec87caf7c166c28b364e72e09aff2fba2b3a9ba3ae0ee6?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjAxLDM4MQ&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=201&ty=381&w=200&wk=1&s=299289a2f49a564f2f05b8c075559a34 "[桡骨]茎突 - 腕MRI - 轴 - e-Anatomy")
![[桡骨]茎突 - 腕MRI - 冠状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/wrist-mri-3d/images/v1/5c0aa7d8656bd40184aaafe711da5adcfc886896be847752a19f480ad59f005d?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjY1LDI2NQ&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=265&ty=265&w=200&wk=1&s=43494b927eaab0fee2fd77ee4f677ed4 "[桡骨]茎突 - 腕MRI - 冠状 - e-Anatomy")
![[桡骨]茎突 - 腕MRI - 矢状 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/wrist-mri-3d/images/v1/d87b8164db11a6d5a8365b325d95eddd462165a24f3a2cbd0ee32e4e96347728?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MzcyLDIzNA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=372&ty=234&w=200&wk=1&s=6187bee251bb9d63ebeca371d41ccf9e "[桡骨]茎突 - 腕MRI - 矢状 - e-Anatomy")
![[桡骨]茎突 - 腕MRI - 三维 - 侧向旋转 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/wrist-mri-3d/images/v1/dc315c7059ff48c7d67329b250ac5d90aa3fbab92afaa4ba09c70b07aebcdcb1?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=NDA4LDI1Mg&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=408&ty=252&w=200&wk=1&s=40bc55931d8e2d8f9f40409d01028d81 "[桡骨]茎突 - 腕MRI - 三维 - 侧向旋转 - e-Anatomy")
![[桡骨]茎突 - 腕MRI - 三维 - 垂直旋转 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/wrist-mri-3d/images/v1/7f977b3e5544bb8a6b9f3f0bfc0c56c4c6997a438f5021b9db85af2b3c3d2bf5?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MjEyLDM5NA&t=W-ahoemqqF3ojI7nqoE&tf=Tm90byBTYW5zIFND&tx=212&ty=394&w=200&wk=1&s=bf121a5919634e859075318764e0801c "[桡骨]茎突 - 腕MRI - 三维 - 垂直旋转 - e-Anatomy")
