Term
| What Cartilage can be viewed as an expanded tracheal cartilage... |
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Definition
| The unpaired cricoid cartilage |
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Term
| The most inferior cartilage of the larynx? |
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Definition
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Term
| The cricoid cartilage is approximately the same diameter as... |
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Definition
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Term
| Important landmarks of the cricoid cartilage? |
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Definition
1. low anterior cricoid arch
2. Posterior Quadrate lamina
3. Cricothyroid Joints (Articular facets of the lateral surface)
4. |
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Term
| The low anterior cricoid arch provides clearance for? |
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Definition
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Term
| The Posterior Quadrate Lamina provides articulation for? |
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Definition
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Term
| The oblique arytenoid muscles are superficial to... |
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Definition
| the transverse arytenoid muscle |
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Term
| What are the three muscles of adduction in the larynx? |
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Definition
1) Lateral cricoarytenoid
2) Transverse arytenoid
3) Oblique arytenoid |
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Term
| What is the muscle of abduction in the larynx? |
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Definition
| The posterior cricoarytenoid muscles |
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Term
| What are the tensor muscles of the larynx? |
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Definition
Thyrovocalis (medial thyroarytenoid)
Cricothyroid, pars recta, and pars oblique |
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Term
| Relaxer intrinsic larynx muscle? |
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Definition
| Thyromuscularis (lateral thyroarytenoid) |
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Term
| Intrinsic auxiliary musculature of the larynx? |
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Definition
thyroepiglotticus
superior thyroarytenoid
thyroarytenoid
aryepiglotticus |
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Term
| Which intrinsic muscles of the larynx compress the medial portions of the VF? |
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Definition
| The Lateral Cricoarytenoid Muscles |
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Term
| Which unpaired intrinsic laryngeal muscle is a band of fibers which spanning the posterior surface of both the arytenoid cartilages? |
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Definition
| The Transverse arytenoid muscle |
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Term
| Which two intrinsic laryngeal muscles make up the interarytenoid muscles? |
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Definition
| The Transverse arytenoid muscles and the oblique arytenoid muscles. |
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Term
| Define Medial Compression |
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Definition
| The degree of force that may be applied by the vocal folds at their point of contact. |
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Term
| Which intrinsic laryngeal muscle pulls the apex of the arytenoids medially? |
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Definition
| The oblique arytenoid muscles |
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Term
| Which intrinsic laryngeal muscle forms an X shape? |
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Definition
| The oblique arytenoid muscle |
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Term
| Which intrinsic laryngeal muscles are responsible for the adduction of the VF's? |
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Definition
| The Posterior Cricoarytenoid Muscles |
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Term
| Which intrinsic laryngeal muscle depresses the thyroid relative to the cricoid and tenses VF's |
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Definition
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Term
| Name the two heads of the cricothyroid muscle |
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Definition
| pars oblique and pars recta |
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Term
| Which head of the cricothyroid cartilage originates on the anterior surface of the cricoid cartilage immediately below the arch? |
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Definition
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Term
| Contraction of which head of the cricothyroid muscle rocks the thyroid cartilage down? |
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Definition
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Term
| The thyrovocalis muscle is actually the... |
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Definition
| medial muscle of the VF's |
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Term
| Two parts of the Thyroarytenoid muscle |
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Definition
• Thyrovocallis – a tensor
• White
• Wants to tense
• Thyromuscularis - a relaxer
• Pink
• Relaxes and brings muscle back to a shorter position |
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Term
| Which intrinsic laryngeal muscle dilates airway? |
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Definition
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Term
| Which two muscles make up the muscular portion of the VF's? |
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Definition
| Thyrovocalis & Thryomuscularis |
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Term
| Name the three laryngeal elevators. |
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Definition
Digastricus Muscle
Stylohyoid Muscle
Mylohyoid Muscle |
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Term
| Which laryngeal elevator is composed of two separate bellies joined by an intermediate tendon. |
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Definition
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Term
| Which laryngeal elevator forms the floor of the oral cavity? |
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Definition
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Term
| Which Intrinsic muscle runs from chin to hyoid bone? |
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Definition
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Term
| Which Intrinsic muscle elevates the hyoid bone and depresses the mandible? |
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Definition
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Term
| Which muscle goes from the hyoid bone to the tongue and elevates the hyoid while depressing the tongue? |
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Definition
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Term
| Which intrinsic muscle makes up the bulk of the underside of the tongue? |
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Definition
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Term
| Name the three hyoid elevators |
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Definition
Genioglossis Muscle
Hyoglossus Muscle
Geniohoid Muscle |
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Term
| Point of articulation for the cricothyroid joint? |
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Definition
| Articular facets on the lateral surfaces of the cricoid and the inferior horns of the thyroid cartilage. |
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Term
| The prominent anterior surface of thyroid cartilage where the two laminae meet is called? |
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Definition
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Term
| The posterior aspect of the thyroid is open and characterized by two sets of... |
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Definition
| Cornu (Superior & Inferior) |
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Term
| What small cartilage found in some individuals ma be found between the superior cornu of the thyroid cartilage and the hyoid bone? |
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Definition
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Term
| The inferior cornua of the thyroid cartilage articulate with the... |
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Definition
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Term
| The superior cornua of the thyroid cartilage articulate with... |
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Definition
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Term
| The arytenoid cartilages reside on... |
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Definition
| the posterolateral surface of the cricoid cartilage |
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Term
| The Vocal Folds attach... |
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Definition
| in the anterior to the posterior side of the thyroid notch and in the posterior to the vocal processes of the arytenoids. |
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Term
| The corniculate cartilages sit atop the... |
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Definition
| superior surfaces of each arytenoid cartilage. |
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Term
| What are the names of the two arytenoid processes? |
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Definition
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Term
| The epiglottis is attached to the thyroid cartilage by means of the... |
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Definition
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Term
| The epiglottis is attached to the arytenoid cartilages via the... |
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Definition
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Term
| The aryepiglottic folds are the product of |
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Definition
| the membranous lining being draped over muscle and connective tissue. |
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Term
| The epiglottis is attached to the tongue by means of the... |
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Definition
| median glosso-epiglottic fold and the paired latera glosso-epiglottic ligaments. |
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Term
| The juncture between the epiglottis and the tongue forms a... |
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Definition
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Term
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Definition
| small fossae between the aryepiglottic folds medially and the mucous lining of the thyroid cartilage. |
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Term
| Together the pyriform sinuses and the valleculae are called the... |
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Definition
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Term
| The epiglottis is attached to the hyoid bone via the... |
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Definition
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Term
| Small cartilages embedded within the aryepiglottic folds? |
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Definition
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Term
| What structure forms the union between the larynx and the tongue? |
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Definition
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Term
| What are the only two functionally mobile points of the larynx? |
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Definition
| The Cricothyroid & the Cricoarytenoid joints |
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Term
| The Cricothyroid joint allows the thyroid cartilage to... |
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Definition
| glide forward and backward. |
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Term
| The movement of the cricothyroid joint provides major adjustment for... |
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Definition
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Term
| When the cricoid and thyroid move toward each other in front the arytenoid cartilages... |
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Definition
| move farther apart tensing the vocal folds |
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Term
| The concave base of the arytenoid cartilages articulated with the smooth convex superior surface permits what kind of movement? |
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Definition
| rocking gliding and perhaps, minimal rotation. |
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Term
The rocking action of the cricoarytenoid brings the vocal processes together which allows the vocal folds to...
The gliding movement of the cricoarytenoid joint facilitates changes in... |
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Definition
approximate (make contact)
Vocal fold length. |
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Term
| The combination of the movement of the cricoarytenoid joint provides the mechanism for... |
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Definition
| vocal fold abduction and and approximation. |
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Term
| The Lateral Cricoarytenoid Muscle: |
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Definition
Attaches to: the superior lateral surface of the cricoid and the muscular process of the arytenoid
Function: adducts VF's and increases medial compression by causing the muscular process to move forward and medially |
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Term
| The Transverse Arytenoid muscle |
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Definition
Attaches: lateral margin of posterior arytenoid to lateral margin of posterior surface of opposite arytenoid
Function: adducts VF's by pulling arytenoids closer together |
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Term
| Oblique Arytenoid Muscles |
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Definition
Attaches: Posterior base of the muscular process to apex of opposite artenoid
Function: promotes adduction and enforces medial compression by pulling the apex medially
Also works with the aryepiglottic muscle to pull the epiglottis over the larynx |
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Term
| Posterior Cricoarytenoid Muscle |
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Definition
Attaches: posterior cricoid lamina to posterior aspect of the muscular process of the arytenoids
Function: abducts VF's by rocking the artenoid cartilages laterally |
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Term
|
Definition
Attaches: Pars Recta: anterior surface of cricoid & lower surface of the thyroid lamina
Pars oblique: anterior surface of the cricoid & thyroid cartilage between laminae and inferior horns
Depresses thyroid relative to cricoid; tenses VF's |
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Term
|
Definition
Medial portion of the thyroarytenoid muscle
Attaches: posterior surface of thyroid & lateral surface of vocal processes
Function: tenses VF's by pulling the front of the cricoid and thyroid farther apart |
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Term
|
Definition
Lateral portion of the thyroarytenoid muscle
Attaches: Posterior surface of the thyroid & base and muscular process of arytenoid
Function: Relaxes the VF's by pulling the arytenoid toward the thyroid cartilage |
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Term
| What is the primary muscle responsible for the change of vocal fundamental frequency? |
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Definition
|
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Term
| The three Auxiliary Muscles |
|
Definition
Thyroepiglottic
Superior thyroarytenoid
Aryepiglottic |
|
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Term
|
Definition
Attaches: Inner surface of thyroid notch at angle & lateral epiglottis
Function: Dilates the laryngeal opening |
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Term
| Superior Thyroarytenoid Muscle |
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Definition
Continuous with the thyroepiglottis
Attaches: Inner angle of thyroid cartilage & muscular process of arytenoid
Function: Perhaps relaxes VF's |
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Term
|
Definition
Attaches: arises from the superior aspect of the oblique arytenoid muscle from the apex & the lateral epiglossits
Constricts laryngeal opening |
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Term
| Hyoid & Laryngeal Elevators |
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Definition
Digastricus Anterior & Posterior
Stylohyoid
Mylohyoid
Geniohyoid
Genioglossus
Hyoglossus
Thyropharyngeus |
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Term
|
Definition
Composed of two separate bellies.
Anterior:
Attaches: inner surface of the mandible & hyoid
Function: draws hyoid up and forward
Posterior
Attaches: mastoid process of temporal bone & hyoid
Function: draws hyoid up and back
Function when working together: elevate hyoid |
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Term
|
Definition
Attaches: Stylohyoid process of temporal bone & corpus of hyoid
Function: elevates and retracts the hyoid |
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Term
|
Definition
Attaches: Mylohyoid line (inner surface of mandible) & corpus of the hyoid; fanlike
Function: elevates hyoid or depresses mandible |
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Term
|
Definition
Attaches: mental spines, inner surface of mandible & hyoid bone
Function: elevates hyoid bone depresses mandible |
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Term
|
Definition
Attaches: Hyoid bone, greater cornu and corpus & sides of tongue
Function: elevates hyoid; depresses tongue |
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Term
|
Definition
Attaches: Inner surface of the mandible & Tongue and Hyoid
Function: Elevates hyoid |
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Term
| Thyropharyngeus of inferior pharyngeal constrictor |
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Definition
Attaches: Thyroid lamina and inferior cornu & posterior pharyngeal raphe
Function: Constricts pharynx and elevates larynx |
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