Dissection of anterior and lateral regions of neck
Larynx, left lateral view
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Image #77-2
Dissection of anterior and lateral regions of neck
Larynx, left lateral view
The origin of the inferior constrictor muscle of the pharynx from the thyroid and cricoid cartilages and from an intervening tendinous arch has been preserved.
- Anterior belly digastric muscle
- Body hyoid bone (covered by fibrous tissue)
- Thyrohyoid muscle (reflected)
- Anterior jugular vein
- Thyroid cartilage
- Fibers of origin of thyrohyoid muscle
- Cricothyroid branch superior thyroid artery
- Prelaryngeal lymph node
- Cricothyroid muscle
- Upper pointer: Tendinous arch for origin of inferior pharyngeal constrictor muscle Lower pointer: Cricoid cartilage
- Tracheal cartilage
- Hypoglossal nerve (XII)
- Superior laryngeal artery (originates from external carotid artery)
- Internal branch of superior laryngeal nerve
- Thyrohyoid branch hypoglossal nerve
- External carotid artery
- Thyrohyoid membrane
- Upper pointer: Superior thyroid artery Lower pointer: External branch of superior laryngeal nerve
- Internal jugular vein
- Descending branch hypoglossal nerve
- Inferior pharyngeal constrictor muscle
- Sternothyroid muscle (cut across)
- Anterior branch superior thyroid artery
- Upper pointer: Esophageal branch inferior thyroid artery Lower pointer: Glandular branch inferior thyroid artery
- Upper pointer: Inferior pharyngeal constrictor muscle Lower pointer: Inferior laryngeal nerve