颈部的局部解剖与操作.ppt

2021/3/26 * 胸骨上间隙、咽后间隙、气管前间隙、椎前间隙 2021/3/26 * 2021/3/26 * 胸 骨 上 间 隙的内容Contents of the Suprasternal space Include the: 颈前筋膜下端 Inferior ends of the anterior jugular veins 颈静脉弓 Jugular venous arch 疏松结缔组织 Loose connective tissue 1~2个淋巴结 One or two deep lymph nodes 胸锁乳突胸骨头 Sternal heads of the ternocleidomastoid 锁骨间韧带 Interclavicular ligament 2021/3/26 * 锁骨上间隙的内容Contents of the supraclavicular space Include the: 颈外静脉 A part of the external jugular vein 锁骨上神经 Supraclavicular nerves 颈横静脉 Transverse cervical vein 肩胛上静脉 Suprascapular vein 淋巴管 A few lymph vessels 2021/3/26 * 四、颏 下 三 角Submental Triangle 境界 Boundary 内容 Contents 2021/3/26 * 颏下三角 Boundaris of submental triangle Body of hyoid bone 2021/3/26 * 颏 下 三 角 的 内 容Contents of the submental triangle Include the: 几个小的颏下淋巴结 Several small submental lymph nodes. 几条小静脉,汇合成颈前静脉 Small veins that unite to form the anterior jugular vein. 2021/3/26 * 五、下 颌 下 三 角Submandibular Triangle 境界 Boundary 内容 Contents 2021/3/26 * 1. 下 颌 下 三 角Boundaris of the submandibular triangle 2021/3/26 * A roof of the submandibular triangle is formed by the skin, superficial fascia, platysma and investing fascia. 2021/3/26 * A floor of the submandibular triangle is formed by the mylohyoid, hyoglossus and middle pharyngeal constrictor. Middle pharyngeal constrictor Mylohyoid Hyoglossus 2021/3/26 * 下颌下三角的底 2021/3/26 * 下颌下三角的顶与底 2021/3/26 * 2.下颌下三角的主要结构Main contents of the submandibular triangle 下颌腺及其导管Submandibular gland and its duct 面静脉 Facial vein 面神经的颈支 Cervical branch of facial nerve 下颌下淋巴结 Submandibular lymph nodes 面动脉 Facial artery 颏下动、静脉 Submental artery and vein 下颌舌骨肌神经 Mylohyoid nerve 舌下神经 Hypoglossal nerve 舌动、静脉 Lingual artery and vein 舌神经Lingual Nerve , 下颌下神经节Submandibular ganglion 2021/3/26 * 1. 在下颌下腺的浅面有: 面静脉、面神经的颈支、下颌下淋巴结 Cervical branches of facial nerve 2021/3/26 * Mylohyoid 2. The submandibular gland is divided into the superficial and deep parts by the posterio