The level at which the inferior thyroid artery and the middle thyroid vein enter or leave the thyroid gland
•The level at which the inferior thyroid artery and the middle thyroid vein enter or leave the thyroid gland
The level at which the superior belly of the omohyoid muscle crosses the carotid sheath
•The level at which the superior belly of the omohyoid muscle crosses the carotid sheath
o The level of the middle sympathetic ganglion
•The level of the middle sympathetic ganglion
颈部浅层结构 The superficial structures of the neck 皮肤 The sking( thin and pliable) 浅筋膜及其内容 The superficial fascia and its contents a thin layer of fat a sheet of platysma the anterior jugular vein the lateral jugular vein the superficial (lateral and anerior)cervical lymph nodes the cutaneous branches of the cervical plexus the cervical branch of the facial nerve
二、颈部浅层结构 The superficial structures of the neck • 皮肤 The skin( thin and pliable) • 浅筋膜及其内容The superficial fascia and its contents ➢ a thin layer of fat ➢ a sheet of platysma ➢ the anterior jugular vein ➢ the lateral jugular vein ➢ the superficial(lateral and anerior)cervical lymph nodes ➢ the cutaneous branches of the cervical plexus ➢ the cervical branch of the facial nerve
1.颈阔肌 The platysma s a broad. thin sheet of muscle in the subcutaneous tissue Covers the anterolateral as pect of the neck Aarise in fascia covering superior parts of the deltoid and pectoralis major muscles and sweep superomedially over the clavicle to the inferior border of the mandible, skin and subcutaneous tissue of lower face Is one of the muscles of facial expression s innervated by the cervical branch of the Figure 7. 48. The platysma and its interdigitations with other facial nerve muscles of facial expression
1. 颈阔肌 The platysma • Is a broad, thin sheet of muscle in the subcutaneous tissue. • Covers the anterolateral aspect of the neck. • Aarise in fascia covering superior parts of the deltoid and pectoralis major muscles and sweep superomedially over the clavicle to the inferior border of the mandible, skin, and subcutaneous tissue of lower face. • Is one of the muscles of facial expression. • Is innervated by the cervical branch of the facial nerve