Stack #171796
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| What is the function of the cricothyroids? | Glottal tensor
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| What is the function of the thyroarytenoids? | Glottal tensor
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| What is the function of the posterior cricoarytenoids? | Abductor
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| What is the function of the arytenoids? | Adductor
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| What is the function of the lateral cricoarytenoids? | Adductor
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| What is the function of the thyroarytenoids? | Glottal relaxers
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| What purpose do the extrinsic laryngeal muscles serve? | Support the larynx and fix it in position
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| What purpose do the intrinsic laryngeal muscles serve? | Control sound production
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| What purpose do the suprahyoid muscles serve? | Elevate the larynx
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| What purpose do the infrahyoid muscles serve? | Depress the larynx
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| What are the extrinsic muscles? | Sally Thanks Iggy For Cock (sternothyroid, thyrohyoid, inferior pharyngeal constrictor)
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| Origin and Insertion of sternothyroids? | Manubrium and thyroid cartilage
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| Purpose of the sternothyroids? | Draws thyroid cartilage down
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| Origin and Insertion of thyrohyoids? | Thyroid lamina and greater horn of hyoid
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| Purpose of thyrohyoids? | Decreases distance between thyroid cartilage and hyoid bone
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| Location of inferior pharyngeal constrictors? | Lower portion of thyroid and cricoid cartilages
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| Purpose of inferior pharyngeal constrictors? | Swallowing and forming principal resonance cavity
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| What are the suprahyoid muscles? (laryngeal elevators) | Dirty Sluts Make Jenny Hate Jerry (digastric, stylohyoid, mylohyoid, geniohyoid, hyoglossus, genioglossus)
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| Origin and insertion of anterior belly of digastric? | Mandible and lesser horn of hyoid
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| Origin and insertion of posterior belly of digastric? | Mastoid and sternocleidomastoid
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| Function of the digastric? | Raises the hyoid or depresses lower jaw
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| Origin and insertion of stylohyoid? | Styloid process and hyoid
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| Function of the stylohyoid? | Draws the hyoid bone up and backwards
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| Location of the mylohyoid? | Floor of the mouth
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| Function of the mylohyoid? | Raises hyoid, mouth floor and tongue (swallowing). Depresses mandible
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| Location of the geniohyoid? | Superior to mylohyoid, insert on hyoid
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| Function of geniohyoid? | Pulls the hyoid up and forward (when mandible is fixed)
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| Description of hyoglossus? | Extrinsic tongue muscle, originates from greater horns of hyoid
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| Origin and insertion of genioglossus? | Mental symphysis and body of hyoid (extrinsic tongue muscle)
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| Function of genioglossus? | Elevates hyoid and draws it forwad
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| What are the infrahyoid muscles? (laryngeal depressors) | Sternohyoid and omohyoid
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| Origin and insertion of sternohyoid? | Manubrium and lower border of hyoid
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| Function of sternohyoid? | Draws hyoid down and fixes it
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| Origin and insertion of inferior/posterior belly of omohyoid? | Scapula and intermediate tendon
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| Origin and insertion of superior/anterior belly of omohyoid? | Intermediate tendon and greater horn of hyoid
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| Function of omohyoid? | Prevents neck from collapsing during inhalation
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| Function of intrinsic abductors? | Separate arytenoids and vocal folds for respiration
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| Function of intrinsic adductors? | Approximate arytenoids and vocal folds for phonation
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| Function of intrinsic tensors? | Elongate vocal folds
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| Function of intrinsic relaxers? | Shorten vocal folds
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| What is medial compression? | The extent of force with which the vocal folds are brought together at the midline
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| What is longitudinal tension? | The degree of stretching force
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| Components of the thyroarytenoid? | Vocalis and thyromuscularis
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| Action of thyroarytenoid? | Twisted when vocal folds are adducted and unwound when vocal fold s are abducted
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| Histology of vocal fold? | epithelium, superficial layer of lamina propria, intermediate layer of lamina propria, deep layer of lamina propria, vocalis muscle
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| Cover of vocal fold? | Epithelium and superficial lamina propria
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| Transition of vocal fold? | Intermediate and deep layers of lamina propria
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| Body of vocal fold? | Vocalis muscle (passive and active)
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| What is a mucosal wave? | Wave produced in phonation, reliant on superficial layer of lamina propria
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| Function of thyroarytenoid? | Regulator of longitudinal tension, close glottis or increase vocal fold tension (adductor, tensor or relaxer)
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| Function of thyroarytenoid? | Tilts thyroid cartilage back to relax vocal folds and pulls on muscular process of arytenoids to aid in compression (relaxer)
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| Function of posterior cricoarytenoid? | Singular abductor (lateral bundle is abductor and remainder stabilizes/fixes arytenoids)--approximation and depression
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| Function of lateral cricoarytenoid? | Glottal adductor and relaxer, rotates arytenoid cartilage to bring vocal processes to midline, regulates medical compression and shapes glottis for whisper
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| Function of oblique arytenoids? | Approximate arytenoid cartilages and regulate medial compression
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| Function of transverse arytenoids? | Make arytenoid cartilages slide along articular capsule toward midline
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| Function of cricothyroid? | Tenses and elongate vocal folds, increase distance between vocal processes and vocal folds for pitch changes
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kimmcsorley
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