Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterior and lateral regions of neck

Larynx; laryngeal ventricle and piriform recess of pharynx opened, left anterolateral view

Image #77-5

KEYWORDS: Pharynx, Throat.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of anterior and lateral regions of neck
Larynx; laryngeal ventricle and piriform recess of pharynx opened, left anterolateral view
The left half of the thyroid cartilage has been removed with the exception of its superior horn (15) which remains attached to the hyoid bone by the lateral hyothyroid ligament.
1 . Body hyoid bone
2 . Epiglottic cartilage (covered by fibrous tissue)
3 . Remnant of thyroglossal duct (cut off)
4 . Upper pointer: Middle laryngeal gland Lower pointer: Appendix laryngeal ventricle (opened)
5 . Upper pointer: Elastic laryngeal membrane (quadrangular membrane) Lower pointer: Stem of epiglottis
6 . Ventricular fold (ventricle opened)
7 . Thyroid cartilage
8 . Thyroarytenoid muscle (a few fibers pass superiorly as the thyroepiglotticus muscle )
9 . Aberrant fibers of cricoepiglottic muscle
10 . Lateral cricoarytenoid muscle
11 . Upper pointer: Area of attachment of deep fibers of cricothyroid muscle Lower pointer: Articular surface of thyroid
12 . Arch of cricoid cartilage
13 . Greater horn hyoid bone
14 . Lateral thyrohyoid ligament (enlargement marks position of triticeal cartilage)
15 . Superior horn thyroid cartilage (cut across)
16 . Inferior pharyngeal constrictor muscle (reflected posteriorly)
17 . Tunica of pharyngeal mucosa (external aspect)
18 . Piriform recess (opened)
19 . Anastomotic branch superior laryngeal nerve (cut off) with inferior laryngeal nerve
20 . Prevertebral fascia
21 . Arytenoid cartilage
22 . Anterior branch inferior laryngeal nerve
23 . Posterior cricoarytenoid muscle
24 . Posterior branch inferior laryngeal nerve
25 . Inferior laryngeal nerve
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