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Dissection of anterior and lateral regions of neck

Right posterior cervical triangle; external jugular vein; supraclavicular nerves, anterolateral view

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Image #72-7
Bassett ImageDiagram Image
Legend Image
Dissection of anterior and lateral regions of neck
Right posterior cervical triangle; external jugular vein; supraclavicular nerves, anterolateral view
The platysma (11) has been resected and the underlying cervical fascia removed from the right side of the neck. The shoulder is to the left of the view and the chin to the upper right side.
1 . Great auricular nerve
2 . Fascia colli (external layer)
3 . External jugular vein (enlargement below pointer caused by valve sinuses within vein)
4 . Posterior cervical triangle
5 . Posterior supraclavicular nerve
6 . Trapezius muscle
7 . Medial supraclavicular nerve
8 . Deltoid muscle
9 . Anterior supraclavicular nerves
10 . Deltoid-pectoral trigonum
11 . Platysma (cut across below mandible)
12 . Cutaneous nerve filaments
13 . Cutaneus colli muscle (lower pointer indicates a long terminal branch, present bilaterally, which turned sharply and descended along the sternocleidomastoid muscle to the skin over the sternum)
14 . Fascia colli (middle layer over infrahyoid muscles in anterior cervical triangle)
15 . Sternocleidomastoid muscle
16 . Anterior jugular vein
17 . Clavicula
18 . Clavicular part of pectoralis major muscle
* . [Legend above restored translation from Latin]