What muscle depresses the thyroid cartilage?
Sternothyroid Muscles
Which intrinsic muscle is the ONLY abductor?
The Posterior Cricoarytenoid Muscles
Name of the structure
Vocal Folds
Glottis refers to what?
The space between the vocal folds
What is longitudinal tension?
Longitudinal tension is a degree of stretching on the vocal folds.
The muscle below works to retract the Hyoid bone. What muscle is this?
Stylohyoid muscles
What is Medial Compression?
Medial compression is the extent of force in which the vocal folds come together at the midline.
For speech, are the vocal folds adducted or abducted?
Vocal folds are adducted to restrict air flow during phonation.
True or False: There is a lot of muscle tissue in the ventricular vocal folds.
FALSE
The origin of this muscle is the manubrium and medial edge of the clavicle.
The Omohyoid Muscle
What are the functions of the Infrahyoid muscles?
They help depress the laryngeal structures and the Hyoid bone.
What does the Oblique Arytenoid muscle do?
Moves apex of arytenoid cartilage medially
Which layer of the vocal folds is the MOST superficial?
The Epithelium
What are the boundaries of the aditus?
The epiglottis, aryepiglottis, and the apex of the arytenoid cartilage.
What is the R in the figure below?
The Ventricular folds
What is the name of the muscle highlighted in green below?
Digastricus
Whose action is this: Rocks thyroid cartilage forward?
The Cricothyroid Muscles
Ventricular vocal folds are sometimes called what?
False vocal folds
Where is the vestibule located?
The Larynx, It's the Bilateral muscle attaching between the cricoid and arytenoid cartilages of the larynx.
Where does the Thyrohyoid muscle insert at and what is its action?
It inserts at the greater cornu of the hyoid bone and its action is to depress the hyoid or to raise the thyroid cartilage.
What is the action of the Transverse Arytenoid muscle and where does it attach?
to approximate the arytenoid cartilages; attaches from lateral margin and posterior surface of one arytenoid cartilage to the other
Which layer of the vocal folds contains intermediate and deep layers?
Lamina Propria
What contains the laryngeal saccule and can be found between the vocal and ventricular folds?
Ventricle
What is the insertion point of the Digastricus muscle?
at an intermediate tendon, attaches to lesser cornua of the hyoid bone via a fibrous loop