级neck年.pptVIP

Neck Department of Anatomy ， Medical College Qingdao University 2014.3.19 Ⅰ.Parts and regions of the neck Boundaries 边界 Superior－inferior border of mandible, angle of mandible, tip of mastoid process, superior nuchal line, external occipital protuberance Inferior－jugular notch, sternoclavicular joint, superior border of clavicle, acromion, spinous processes of C7 Landmarks 标志 Hyoid bone Thyroid cartilage laryngeal prominence Cricoid cartilage Sternocleidomastoid Carotid tubercle Suprasternal fossa Greater supraclaviclar fossa Regions 分区 Neck 颈 Anterior region of neck Sternocleidomastoid region Lateral region of neck Nape 项部(Vertebral region ) 1.Anterior region of neck Suprahyoid region 舌骨上区 Submental triangle 颏下三角 Submandibular triangle 下颌下三角 Infrahyoid region 舌骨下区 Carotid triangle 颈动脉三角 Muscular triangle 肌三角 2.Lateral region of neck Occipital triangle 枕三角 supraclavicular triangle 锁骨上三角 (greatsupraclavicular fossa) 锁骨上大窝 Cervical layers 1.Skin The natural line of cleavage of the skin are constant and run almost horizontally around the neck Cervical layers 2.Superficial fascia Consists of fat and connective tissue Contents Platysma Superficial veins Anterior jugular v. External jugular v. Cutaneous nerves Lesser occipital n. Greet auricular n. Transverse nerve of neck Supraclavicular n. Cervical branch of facial n. Cervical layers 2.Superficial fascia Consists of fat and connective tissue Contents Platysma Superficial veins Anterior jugular v. External jugular v. Cutaneous nerves Lesser occipital n. Greet auricular n. Transverse nerve of neck Supraclavicular n. Cervical branch of facial n. 3.Cervical fascia 颈（深）筋膜－three layers Superficial layer (investing fascia 封套筋膜) Encloses trapezius, sternocleidomastoid, posterior belly of digastric and parotid and submandibular glands Attached to bony landmarks of upper and lower boundaries of neck and zygomatic arch of face Pretracheal layer 气管前层