Term
Approximately what shape are the laryngeal cavities? |
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Definition
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Term
What narrows the laryngeal cavities |
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Definition
The laryngeal cartilages as they move |
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Term
What are the cavities of the larynx covered by? |
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Definition
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Term
What do changes in airflow cause? |
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Definition
-Changes in pitch of the voice -Coughing -Clearing -All sounds |
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Term
What two things join all of the muscles of the larynx? |
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Definition
-Connective tissues -Muscles |
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Term
What produces changes in airflow? |
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Definition
When the cartilages of the larynx (bound together by connective tissues and muscles) move. |
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Term
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Definition
Reduced pressure but greater force as the VFs adduct. |
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Term
Location of Aditus/Vestibule |
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Definition
From the entrance of the larynx to the inferior border of the cricoid cartilage; C5 |
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Term
What is the front boundary of the aditus/vestibule? |
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Definition
The epiglottis (aditus is always open except for when swallowing) |
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Term
What are the lateral boundaries of the aditus/vestibule? |
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Definition
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Term
Posterior boundaries of the aditus/vestibule? |
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Definition
The apex (tips) of arytenoids |
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Term
The aditus is like a chamber above what? |
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Definition
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Term
Is the aditus/vestibule on the interior or exterior of larynx? |
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Definition
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Term
The ventricle is an _______ laryngeal cavity. |
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Definition
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Term
What is the location of the ventricle? |
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Definition
Between the false VFs (ventricular/vestibular folds) and the VFs |
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Term
What are the lateral boundaries of the ventricle? |
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Definition
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Term
What are the posterior boundaries of the ventricle? |
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Definition
The membranes going to the apex (tips) of arytenoids. |
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Term
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Definition
-Wider in the front -Slopes obliquely backward -Triangular appearance |
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Term
What is the first cavity of the larynx? |
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Definition
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Term
How many parts is the cavity of the larynx divided into? |
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Definition
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Term
What exactly divides the cavity of the larynx into its three parts? |
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Definition
The boundaries formed by the vestibular (false vocal) and vocal folds |
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Term
What are the three divisions (parts) of the laryngeal cavity? |
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Definition
1. Vestibule 2. Ventricle 3. Infraglottic cavity |
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Term
Vestibule (first division of the laryngeal cavity) |
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Definition
-The area ABOVE the VESTIBULAR (false vocal) folds -Region between FVF and aditus |
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Term
Ventricle (second division of laryngeal cavity) |
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Definition
-A pocket-like recess (break) between the VESTIBULAR (false) and VOCAL FOLDS on BOTH SIDES -Entire length of VFs -Fatty tissue and mucous glands |
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Term
Infraglottic Cavity (third division of laryngeal cavity) |
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Definition
The area BELOW the VOCAL folds |
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Term
What are the different names for the false vocal folds (FVFs)? |
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Definition
Vestibular and ventricular folds |
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Term
The supraglottal region is composed of which three areas? |
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Definition
1. Vestibule of Larynx 2. Ventricle: laryngeal sinus 3. Ventricular/Vestibular/False Vocal Folds |
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Term
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Definition
-Do not vibrate during phonation -Attach to ARYTENOIDS and move with them -Slightly above VFs -False glottis space between FVF -Has no phonatory function at all. Its only function is to protect. |
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Term
The _____ ______ are superior to the SUBGLOTTAL REGION |
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Definition
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Term
What is the inferior boundary of the subglottal region? |
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Definition
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Term
What is the shape of the subglottal region? |
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Definition
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Term
What type of lining is found in the subglottal region? |
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Definition
Columnar epithelial (also found in trachea and bronchi) |
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Term
How does mucous leave the subglottal region? |
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Definition
Cilia drive mucous up into pharynx out of respiratory tract |
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Term
What are the two cavities that are interior but beside the larynx? |
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Definition
1.Pyriform sinus 2.Valleculae |
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Term
Pyriform Sinus (interior and beside larynx) |
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Definition
-The space between the aryepiglottic fold and the thyroid cartilage -Small cavity above laryngeal opening and just above opening to esophagus -A deep depression |
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Term
What are the lateral borders of the pyriform sinus? |
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Definition
Thyroid cartilage and thyrohyoid membrane |
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Term
What is the medial border of the pyriform sinus? |
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Definition
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Term
The pyriform is often described as part of the pharynx. Why? |
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Definition
Because it is superior and lateral to the aditus. |
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Term
Valleculae (interior and beside larynx) |
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Definition
The space b/w the tongue and epiglottis |
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