Dissection of anterior and lateral regions of neck
Larynx; relation to tongue, pharynx and hyoid bone, left anterolateral view
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Image #77-6
Dissection of anterior and lateral regions of neck
Larynx; relation to tongue, pharynx and hyoid bone, left anterolateral view
The external part of the thyroarytenoid muscle has been cut away to expose the vocal muscle (8) and the vocal cord (7). The wall of the appendix of the ventricle, which was opened in the previous view, has been removed. The intrinsic and extrinsic muscles of the tongue have been dissected and are considered in detail in reel 70-3.
- Dorsum of tongue
- Mandible (cut across)
- Genioglossus muscle
- Geniohyoid muscle
- Body hyoid bone
- Upper pointer: Quadrangular membrane Lower pointer: Ventricular fold
- Upper pointer: Laryngeal ventricle Lower pointer: Vocal cord
- Upper pointer: Thyroid cartilage Lower pointer: Vocalis muscle
- Conus elasticus
- Superior pharyngeal constrictor muscle
- Glossopharyngeal nerve (IX)
- Internal carotid artery
- Hypoglossal nerve (XII)
- Hyoglossus muscle (cut off)
- Middle pharyngeal constrictor muscle (chondropharyngeus)
- Upper pointer: Greater horn hyoid bone Lower pointer: Triticeal cartilage
- Vagus nerve (X)
- Superior horn thyroid cartilage
- Lesser horn hyoid bone
- Piriform recess (opened)
- Arytenoid cartilage
- Lateral cricoarytenoid muscle
- Cricoid cartilage