Dissection of anterior and lateral regions of neck

Deep cervical lymphatic nodes and vessels, left lateral view

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Image #73-5
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Dissection of anterior and lateral regions of neck
Deep cervical lymphatic nodes and vessels, left lateral view
The sternocleidomastoid muscle has been retracted posteriorly. The external layer of cervical fascia and the parotideomasseteric fascia have been removed.
1 . Parotid gland
2 . Infraorbital nerve
3 . Buccinator muscle
4 . Masseter muscle
5 . External maxillary artery
6 . Superficial branch facial nerve (cut off)
7 . Mandible (periosteum intact)
8 . Submandibular gland
9 . Superior deep cervical lymph nodes
10 . Ansa hypoglossi
11 . Omohyoid muscle
12 . Superficial cervical artery
13 . Posterior auricular lymph nodes
14 . Greater auricular nerve
15 . Superior deep cervical lymph nodes
16 . Accessory nerve (XI) entering sternocleidomastoid muscle (note communication from cervical nerve III)
17 . Sternocleidomastoid muscle
18 . Cervical nerve IIl
19 . Superficial cutaneous nerve (cut off)
20 . Accessory nerve (XI)
21 . Internal jugular vein (within carotid sheath)
22 . Cervical nerve IV
23 . Superficial cervical lymph node
24 . Trapezius muscle
25 . Prevertebral fascia