Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of head and neck from a posterior approach

Middle constrictor muscle of pharynx; pharyngeal raphe; submucosal plexus of esophageal veins

Image #82-4

KEYWORDS: Muscles and tendons, Pharynx, Throat, Vasculature.

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Dissection of head and neck from a posterior approach

Middle constrictor muscle of pharynx; pharyngeal raphe; submucosal plexus of esophageal veins

The inferior constrictor muscle has been partially resected on the left to expose the middle constrictor of the pharynx. The vagus nerve and sympathetic trunk have been removed.

1 .	Glossopharyngeal nerve (IX)
2 .	Parotid gland
3 .	Internal carotid artery (cut across)
4 .	Stylopharyngeus muscle
5 .	Stylohyoid muscle
6 .	Styloid process temporal bone
7 .	Ascending pharyngeal artery
8 .	Upper pointer: Posterior belly of digastric muscle Lower pointer: Occipital artery (cut across)
9 .	Lingual artery (in background)
10 .	Sternocleidomastoid muscle
11 .	External carotid artery
12 .	Pharyngeal branch of external carotid artery
13 .	Carotid body
14 .	Internal carotid artery (cut across)
15 .	Internal jugular vein (cut across)
16 .	Carotid sheath
17 .	Thyroid gland
18 .	Pharyngeal tonsil (pharyngobasilar fascia removed)
19 .	Occipital condyle
20 .	Superior pharyngeal constrictor muscle
21 .	Pterygoid venous plexus
22 .	Splenius capitis muscle
23 .	Pharyngeal raphe
24 .	Middle pharyngeal constrictor muscle
25 .	Superior horn thyroid cartilage
26 .	Inferior pharyngeal constrictor muscle right
27 .	Inferior pharyngeal constrictor muscle left (divided)
28 .	Esophageal vein