1
.
| Hyoglossus muscle |
2
.
| Upper pointer: Superior laryngeal artery Lower pointer: Branches of superior laryngeal nerve to epiglottis and vestibule of larynx |
3
.
| Mylohyoid muscle (cut across) |
4
.
| Hyoid bone (thick layer of fibrous tissue removed to expose bone) |
5
.
| Fat |
6
.
| Middle laryngeal gland |
7
.
| Upper pointer: Appendix laryngeal ventricle (outer surface of mucosa) Lower pointer: Thyroepiglotticus muscle |
8
.
| Left lamina thyroid cartilage (cut across) |
9
.
| Thyroarytenoid muscle |
10
.
| Lateral cricoarytenoid muscle |
11
.
| Cricoarytenoid ligament |
12
.
| Prelaryngeal lymph node |
13
.
| Cricothyroid muscle (cut across) |
14
.
| Trachea |
15
.
| Superior laryngeal nerve |
16
.
| Inferior pharyngeal constrictor muscle (reflected posteriorly) |
17
.
| Common carotid artery |
18
.
| Vagus nerve (X) |
19
.
| Superior horn thyroid cartilage |
20
.
| Upper pointer: Mucosa of piriform recess (outer surface) Lower pointer: Aryepiglotticus muscle |
21
.
| Anastomotic branch superior laryngeal nerve with inferior laryngeal nerve |
22
.
| Upper pointer: Left lamina thyroid cartilage (cut across and reflected posteriorly) Lower pointer: Anterior branch inferior laryngeal nerve |
23
.
| Cricothyroid articulation (cut open) |