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Questions and Answers
What is the aditus laryngis?
What is the aditus laryngis?
What are pyriform sinuses?
What are pyriform sinuses?
The deep depressions posterolateral to the aditus laryngis formed by the space between the superior cornua of the thyroid and the arytenoid cartilages.
What is a vallecula?
What is a vallecula?
Small furrows or pits at the base of the tongue immediately anterior to the lingual surface of the epiglottis.
Where is the vestibule located?
Where is the vestibule located?
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What is the function of the ventricle in the larynx?
What is the function of the ventricle in the larynx?
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What does the term glottis refer to?
What does the term glottis refer to?
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What is the subglottic space?
What is the subglottic space?
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Study Notes
Laryngeal Anatomy: Key Structures
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Aditus Laryngis
- Entry point to the larynx
- Bordered by the epiglottis anteriorly, aryepiglottic folds laterally, and arytenoid cartilages posteriorly
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Pyriform Sinus
- Deep depression located posterolateral to the aditus laryngis
- Formed by the space between the superior cornua of the thyroid cartilage and arytenoid cartilages
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Vallecula
- Small furrows at the base of the tongue
- Positioned immediately anterior to the epiglottis, between median and lateral glossoepiglottic folds
-
Vestibule
- Wide area within the larynx cavity
- Located superior to the ventricular folds (false vocal folds) and inferior to the aditus laryngis
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Ventricle
- Space between the ventricular folds and vocal folds (true vocal folds)
- Runs horizontally along the length of both sets of folds
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Glottis
- The variable-sized opening formed between the vocal folds
- Located at the superior edge of the vocal folds
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Subglottic Space
- Region immediately below the vocal folds
- Encompasses the inner cricoid cartilage and the uppermost part of the trachea
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Description
Test your knowledge of laryngeal anatomy with these flashcards focusing on key terms and definitions in Section 4. Learn about the aditus laryngis and pyriform sinus among other critical structures of the larynx.
