Neckology

Anatomy of neck Neck border Upper ：mandibular rim, mandibular angle, mastoidale, supraoccipital line lower ：suprasternal notch, sternoclavicular joint, collar bone, line between acromion and 7th cervical vertebrae

Anatomy of neck Neck sector Posterior region： nucha Anter-lateral region： neck anterior region lateral region

颈部三角 颏下三角 颌下三角 颈动脉三角 枕三角 肌三角 锁骨上三角

Organs in neck middle：thyroid gland, larynx, trachea, hypopharynx, neck segment of esophagus, strap muscles lateral： Cervical sheath Sternocleidomastoid muscle Omohyoid muscle Posterior group of encephalic nerves Submaxillary gland

Neck fascia and fascia space Superficial fascia：under the subcutaneous, wrap total neck up Deep fascia： Superficial layer： wrap sternocleidomastoid muscle and cucullaris Middle layer：visceral fascia Deep layer：prevertebral fascia

Neck fascia and fascia space Fascia space above the hyoid bone Submandibular space Parapharyngeal space Peritonsilla space Masseter space Parotid space

Space under the hyoid bone Space cross the hyoid bone Prevertebral space Carotid sheath Postpharyngeal space

Strata of neck derma platysma Strap muscles Thyroid gland Larynx and trachea hypopharynx neck segment of esophagus prevertebral fascia

Lymph nodes in neck（１９９１） Level I：submental triangle, submaxillary triangle Level II：upper group of jugular lymph nodes Level Ⅲ：middle group of jugular lymph nodes Level Ⅳ： lower group of jugular lymph nodes LevelⅤ：lymph nodes of posterior neck triangle Level VI：lymph nodes of anterior neck space

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