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SLP anatomy 4
DAG
| Question | Answer |
|---|---|
| Phonation | the product of vibrating folds Voicing |
| Voiceless | speech sounds produced without the use of vocal folds |
| Voiced | speech sounds produced with the use of vocal folds |
| How many layers in Vocal folds? | five |
| Glottis | space between the vocal folds. |
| subglottal region | area below the vocal folds |
| location of vocal folds | above the trachea |
| Structure of Larynx | Musculocartilaginous |
| Location of larynx | superior end of trachea |
| what is larynx comprised of? | three paired and unpaired cartilages |
| what vertebrae are adjacent to Larynx | Cervical Vertebrae 4-6 in Adults |
| average length of larynx in male and female | 44 mm; 36 mm |
| most inferior laryngeal structure | Cricoid cartilage |
| cricothyroid cartilage | where both cartilages articulate at |
| what is the largest cartilage in larynx? | Thyroid |
| What cartilage ride on the high back upper surface of the cricoid? | Arytenoid cartilages |
| what ride on the superior surface of the Arytenoid Cartilages? | Corniculate Cartilage |
| Thyrohyoid membrane? | Articulation of the two |
| What is medial to the hyoid and thyroid? | epiglottis. |
| FX of epiglottis | drops to cover the orifices during swallowing |
| Combo of: Cartilage, airway and trachea produces what? | tubelike space with constriction |
| What combines to make vocal folds? | Thyrovocalis, Connective tissue and mucous membrane |
| Where are the vocal folds located between? | arytenoid and thyroid cartilage |
| What type of FXs do muscles that attach to the arytenoid provide? | Adduction and Abduction |
| how is airflow controlled? | Muscle Contraction |
| what is the cavity of the larynx? | a constrictive tube with aerodynamic space. |
| How is the constrictive tube of the larynx created? | the combination of cartilages with mucous membrane. |
| FX of extrensic ligament? | provide attachment between the Hyoid/Trachea and cartilage of Larynx. |
| What space does the thyrohyoid stretch across? | greater cornu of Hyoid and lateral thyroid |
| LTL | superior cornu of thyroid to posterior tip of greater cornu |
| median thyrohyoid ligament | Corpus of hyoid to anterior thyroid |
| MTL, LTL, TH combine to connect what two structures? | Larynx and Hyoid bone |
| Hyoepiglottic and thyroepiglottic | attach epiglottis to thyroid and hyoid |
| Lateral and Median glassoepiglottic ligament | epiglottic attachment to the tongue |
| valleculae | little valleys between the tongue and epiglottis |
| what is the fx of the cricotracheal ligament? | trachea attached to the larynx |
| intrinsic ligament | connects cartilage forms supportive structure for the cavity of the larynx and the vocal folds. |
| what composes of the fibroelastic membrane? | quadrangular, aryepiglottic folds, lower conus elasticus and the vocal ligament. |
| pyriform sinus | space between the aryepiglottic folds and thyroid cartilage |
| Squamos Epithelium | .1 mm thick gives glossy white appearance moist delicate tissues |
| Superficial Lamina Propria | elastin fibers allows stretchiness cushions focal volds |
| ILP | Deep to SLP cross layered with SLP 1-2 MM provide both strength and elasticity combo of SLP and ILP produce vocal ligament |
| DLP | 1-2 mm thick supportive collagen fibers that prohibit extension the ILP/DLP combine to make up the vocal ligament. |
| thryoarytenoid muscles | thyrovocalis and thyromusculuaris |
| active element of vocal cords | thyrovocalis |
| aditus | entry to the larynx from the pharynx above |
| vestibule | first cavity of the larynx |
| what is the vestibule also called? | the entryway |
| where is the vestibule located? | between the aditus and the ventricular folds |
| what are the ventricle folds also known as what? | False folds |
| laryngeal ventricle | space between the false and true vocal folds. |
| what permits voicing? | the variable sphincter |
| length of glottis at rest? | 20 mm in adults from anterior to posterior commisure |
| at rest the posterior glottis is how wide? | 8 mm wide |
| lateral margins of the glottis | vocal folds arytenoids |
| what are the anterior three-fifths of the vocal margin made up of? | membranous glottis |
| how big is free margin of vocal folds in males and females? | 15;12 |
| FX of free margin? | vibrating element of the voice |
| what is the posterior two-fifths of vocal folds comprised of? | cartilage of arytenoids |
| what are the 2/5ths of vocal folds called? | cartilaginous glottis |
| how big is the cartilaginous glottis? | 4-8 mm |
| Is the cricoid cartilage paired or unpaired? | Unpaired |
| how big is the diameter of cricoid? | same size as the trachea |
| what type of joint is the cricoid thyroid? | a pivotal diarthrodial joint |
| fx of cricothyroid joint? | permits rotation |
| is the thyroid paired or unpaired? | unpaired |
| what are the two plates of the thyroid? | thyroid laminae |
| what structure will you see at the thyroid angle | thyroid notch |
| what is on the lateral superficial surface of thyroid laminae? | oblique line |
| inferior cornu | project to cricoid |
| superior cornu | project to hyoid |
| what may be found between the hyoid and superior cornu? | triticeal |
| what resides in the posterolateral surface of the cricoid? | the paired arytenoids |
| FX of arytenoids? | provide mechanical structure that permits onset and offset of voicing |
| what is on the superior surface of every arytenoid cartilage? | corniculate |
| is the epiglottis unpaired or paired? | unpaired |
| what is the epiglottis attached to | the hyoid via Hyoepiglottic ligament |
| what are cunieform cartilages? | cartilages embedden within the aryepiglottic folds |
| what is the fx of the cuneiform cartilage? | providing support for membranous laryngeal coverings. |
| what union does the hyoid form? | tongue and laryngeal structure |
| is hyoid unpaired? | yes |
| what shape is the hyoid? | U-Shaped |
| what are the only two joints mobile in the larynx? | cricothyroid and cricoarytenoid joints |
| what type of joints are cricothyroid | synovial so cricoid and thyroid could rotate |
| what does approximate mean? | make contact |
| FX of cricoarytenoid? | rocking and gliding of structures vocal abduction |
| Muscles of Larynx are divided into two portions? | Intrinsic Laryngeal Muscles Extrensic Laryngeal Muscles |
| Intrinsic Laryngeal Muscles | have both origin and insertion |
| Extrensic Laryngeal Muscles | one attachment on laryngeal and another on nonlaryngeal structure |
| Fx of ILM | Deals with vocal mechanism opening, closing and tensing/relaxing cords |
| FX OF ELM | Elevates and depresses larynx |
Created by:
deangibbz
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