Larynx Flashcards
What is the laryngopharynx?
The region of the pharynx from the epiglottis to the oesophagus
Where is the larynx?
Anterior to the laryngopharynx Between the carotid sheath structures
At which vertebral level is the larynx?
Between C4 and C6
At which vertebral level is the hyoid bone?
C3
At which level does the larynx become the trachea?
C6
What are the features of the skeleton of the larynx?
Epiglottis (elastic) Thyroid cartilage (hyaline) Cricoid cartilage (hyaline) 2x arytenoid cartilage (hyaline)
Which part of the skeleton of the larynx is the only complete ring?
The thin arch of the cricoid cartilage
What structure completes the posterior wall of the trachea?
Skeletal muscle - trachealis
What is the name of the membrane between the hyoid bone and the thyroid cartilage?
Thyrohyoid membrane
What is the name of the membrane between the cricoid cartilage and the thyroid cartilage and what is it’s clinical significance?
Cricothyroid membrane Access point for cricothyroid puncture in an emergency
Which structure is being indicated here?
Thyroid cartilidge
Which structure is being shown here?
Thyrohyoid membrane
Which structure is being shown here?
Right carotid sheath
Which structure is being shown here?
Laryngeal inlet
Which structure is being shown here?
Vallecula