Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of anterior and lateral regions of neck

Larynx; relation to oral cavity, oral and laryngeal parts of pharynx, left lateral view

Image #78-1

KEYWORDS: Face, Mouth, Pharynx, Throat.

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Dissection of anterior and lateral regions of neck

Larynx; relation to oral cavity, oral and laryngeal parts of pharynx, left lateral view

The left wall of the pharynx has been resected in such a way that the soft palate and left pharyngopalatine arch (20) are preserved. The left glossopalatine arch (15) has been divided and the ends separated. The lateral (attached) surface of the left palatine tonsil (23) is exposed. The hyoid bone has been resected to the midline and the epiglottic cartilage exposed.

1 .	Superior longitudinal muscle of tongue
2 .	Mandible
3 .	Genioglossus muscle
4 .	Inferior longitudinal muscle of tongue
5 .	Mylohyoid muscle (cut across at midline raphe)
6 .	Geniohyoid muscle
7 .	Body hyoid bone (cut across)
8 .	Lingual tonsil (surface)
9 .	Vallecula epiglottica left
10 .	Quadrangular membrane
11 .	Thyroid cartilage (cut across)
12 .	Vocal cord and arytenoid cartilage
13 .	Cricoid cartilage
14 .	Upper pointer: Levator veli palatini muscle (cut off) Lower pointer: Styloid process
15 .	Palatoglossal arch (divided) containing fibers of glossopalatine muscle
16 .	Superior pharyngeal constrictor muscle (cut across)
17 .	Superior cervical ganglion
18 .	Internal carotid artery
19 .	Left pointer: Supratonsillar fossa Right pointer: Pharyngopalatine muscle
20 .	Palatopharyngeal arch (mucosal surface)
21 .	Uvula
22 .	Palatine tonsil right in tonsillar fossa
23 .	Palatine tonsil left
24 .	Oral part pharynx
25 .	Upper pointer: Epiglottis Lower pointer: Aryepiglottic fold
26 .	Laryngeal part of pharynx
27 .	Prevertebral fascia
28 .	Sympathetic trunk
29 .	Inferior pharyngeal constrictor muscle (cut across)
30 .	Esophagus (opened)