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General orientation views of dissection

Deep facial dissection, lateral view; temporal muscle; course of facial nerve through parotid gland

Image #49-5

KEYWORDS: Cheek, Connective tissue, Exocrine and endocrine, Face, Muscles and tendons, Peripheral nervous system, Vasculature, Fascia and connective tissue, Muscles and tendons, Peripheral nervous system, Vasculature, Overview, Overview.

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General orientation views of dissection

Deep facial dissection, lateral view; temporal muscle; course of facial nerve through parotid gland

The masseter muscle has been completely removed and the zygomatic arch cut away. The parotid gland and duct have been preserved. The superficial part of the gland has been dissected to expose the course of the facial nerve (23) from the stylomastoid foramen through the substance of the gland. The sternocleidomastoid muscle has been cut from its cranial attachments. Close-up views which illustrate more details of this dissection are to be found as follows

1 .	Parietal bone
2 .	Coronal suture
3 .	Frontal bone
4 .	Temporalis muscle
5 .	Upper pointer: Cut end of zygomatic arch Lower pointer: Muscle tendon arising from deep surface of zygomatic arch, inserting with temporalis muscle but innervated by a branch of the masseteric nerve
6 .	Zygomatic bone
7 .	Position of coronoid process of mandible
8 .	Attachment of tendon of masseter muscle to zygomatic bone
9 .	Upper pointer: Accessory parotid gland Lower pointer: Parotid duct
10 .	Infraorbital nerve
11 .	Buccinator muscle
12 .	Angle of mandible
13 .	External maxillary artery
14 .	Submandibular gland
15 .	Lambdoidal suture
16 .	Occipitalis muscle
17 .	Occipital branch of posterior auricular nerve
18 .	Superficial temporal artery
19 .	Greater occipital nerve
20 .	Lesser occipital nerve
21 .	Upper pointer: External acoustic meatus Lower pointer: Mastoid process
22 .	Splenius capitis muscle (pointer in area previously covered by sternocleidomastoid muscle)
23 .	Facial nerve (VII) and parotid gland
24 .	Trapezius muscle (cut off)
25 .	Superior deep cervical lymph nodes
26 .	Posterior facial vein
27 .	Accessory nerve (XI)
28 .	Internal jugular vein (visible in opening cut through carotid sheath)