Trapezius m Splenius m calenus medius m Sternocleidomastoid Scalenus m(cut) anterior m (1)副神经 Accessory n Accessory Nerve 行程 体表投影 Omohyoid (superior belly) 分布 Internal jugula Infrahyoid muscles Omohyoid Sternocleido (inferior belly) mastoid(cut) Brachial plexus Subclavian v Subclavian a
（1）副神经 Accessory Nerve • 行程 • 体表投影 • 分布
∠ Occiptal artery Facial vein一 o Occipital vein Facial nerve [Vlll. cervical branch Retromandibular vein o Great auricular nerve Communicating branch o Splenius capitis e Levator scapula TRapezius Extemal jugular vein e---- Accessory nerve XI] Transverse cervical nerve Lateral cervical lymph nodes Anterior jugular vein垂 Lateral supraclavicular nerves Extemal jugular vein e Jugular venous arch o Transverse cervical vein Intermediate supraclavicular 副神经与副神经淋巴结
副神经与副神经淋巴结
副神经损伤 副神经脊髓根或外支损伤时,患侧胸锁乳 突肌和斜方肌瘫痪,出现头不能向患侧侧 屈,肩下垂,提肩无力等临床表现。 若在枕三角内损伤副神经,则损伤侧斜方 肌瘫痪,出现患侧肩下垂,提肩无力等临 床表现
副神经损伤 • 副神经脊髓根或外支损伤时，患侧胸锁乳 突肌和斜方肌瘫痪，出现头不能向患侧侧 屈，肩下垂，提肩无力等临床表现。 • 若在枕三角内损伤副神经，则损伤侧斜方 肌瘫痪，出现患侧肩下垂，提肩无力等临 床表现
ypoglossal nerve同 Cervical nerve (C 21 antenor branch e Posterior auricular artery Paettnor auric ar nerve (2)颈丛分支 Submental artery e branches of D cervical plexus Lingual artery垂 Extern carotid artery o Supenor laryngeal artery垂 1)皮支 nsa cervcal, numenor supenor thyroid artery a Cervical nerve Ic 3i anterior ramus 2)肌支:如 stemociedomastod brach e Cervical nerve c 4k: antenor amus Supenor thyroid ven e Ansa cervicalis, inferior root Inferor limb 至斜方肌的 end ng cervcal artery e cervical anery. 神经 o Transversa cereal artery, deap branch Dorsal scapular anery unsc nerve e Extemal jugular vein Sciencs Inferiot bulb垂 o Pectorals m nor Common carotid artery a vanus nerve冈 pectoralis ru ee Thoracoacromial artery e Cephale ven
（2）颈丛分支 branches of cervical plexus 1）皮支 2）肌支：如 至斜方肌的 神经
ypoglossal nerve同 Cervical nerve (C 21 antenor branch e Posterior auricular artery Paettnor auric ar nerve (5)臂丛分支 Branches of brachial plexus Lingual artery垂 Extern carotid artery o 1)肩胛背神经 Supenor laryngeal artery垂 nsa cervcal, numenor 支配萎形肌 supenor thyroid artery a Cervical nerve Ic 3i anterior ramus stemociedomastod brach e Cervical nerve c 4k: antenor amus 2)肩胛上神经 Supenor thyroid ven e Ansa cervicalis, inferior root Inferor limb Ascend ng cervcal artery e 支配网上、下 seri plexus, superior bunk cervical anery. 肌 o Transversa cereal artery, deap branch 3)胸长神经:支 Dorsal scapular anery unsc nerve 配前锯肌。 e Extemal jugular vein Sciencs Inferiot bulb垂 o Pectorals m nor Common carotid artery a vanus nerve冈 pectoralis ru ee Thoracoacromial artery e Cephale ven
（5）臂丛分支 Branches of brachial plexus 1）肩胛背神经： 支配菱形肌 2）肩胛上神经： 支配冈上、下 肌 3）胸长神经：支 配前锯肌