Laryngeal Membranes
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| What connects the cartilages | laryngeal membranes (sheets/cords)
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| What covers the surface of the larynx | a smooth mucous membrane
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| What is a tracheostomy (tracheotomy) | an incision into the trachea that forms a temporary or permanent opening
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| What is the opening called in a tracheotomy | stoma
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| Where is the incision usually made | from the ______ to the fourth tracheal ring
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| Who are all involved in a tracheotomy | SLP, physician, respiratory therapist, nurses
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| Name the parts of a trach tube | Stoma, Inner Cannula, Outer Cannula, Fenestration, Cuff and Pilot ______
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| Types of trach tubes | surgical stainless steel and plastic
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| Name the five layers of the vocal fold tissue | Epithelium, Superficial layer, Intermediate layer, Deep layer and Thyrovocalis muscle
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| Epithelium | Gives vocal folds glistening white color (< 0.1 mm thick)
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| Superficial layer | Elastin fibers (random orientation)
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| Intermediate layer | ________ fibers
anterior to posterior orientation
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| Deep layer | collagen fibers
anterior to posterior orientation
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| Thyrovocalis muscle | Makes up the bulk of the vocal fold
Anterior to posterior orientation
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| What is the mucosal lining made of | epithelial and superficial
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| Vocal Ligament is made up of | Intermediate +_______
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| Lamina Propria is made up of | Superficial + Intermediate + Deep
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| Thyroarytenoid muscle is made up of two parts | thyromuscularis and thyrovocalis
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| The laryngeal musculature | involves both intrinsic and extrinsic
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| Intrinsic musculature | has both origin and insertion within the larynx
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| Extrinsic musculature | has one attachment in the larynx and the other outside the larynx
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| Intrinsic Adductors include | lateral cricoarytenoid, transverse arytenoid and oblique arytenoid
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| Intrinsic Abductor is | posterior cricoarytenoid
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| Intrinsic Tensors include | Cricothyroid (pars recta/pars oblique) and thyrovocalis
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| Intrinsic Relaxers include | Superior thyroarytenoid and thyromuscularis
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| Extrinsic Hyoid and Laryngeal elevators | Digastricus anterior, digastricus posterior, stylohyoid, mylohyoid, geniohyoid, hyoglossus, genioglossus and the inferior pharyngeal constrictor
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| Extrinsic Hyoid and Laryngeal Depressors | Sternohyoid, omohyoid,
sternothyroid and thyrohyoid
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| Sternohyoid: | extrinsic hyoid and laryngeal depressor- function: pulls hyoid down?
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| Omohyoid: | extrinsic hyoid and laryngeal depressor- place of attachment: scapula and hyoid
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| Sternothyroid: | extrinsic hyoid and laryngeal depressor- place of innervation: ?
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| Thyrohyoid: | extrinsic hyoid and laryngeal depressor- function: pulls larynx ____ and hyoid down
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| Inferior pharyngeal constrictor | extrinsic Hyoid and Laryngeal elevator-
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| Digastricus posterior | extrinsic Hyoid and Laryngeal elevator-
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| Stylohyoid | extrinsic Hyoid and Laryngeal elevator-
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| Mylohyoid | extrinsic Hyoid and Laryngeal elevator-
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| Geniohyoid | extrinsic Hyoid and Laryngeal elevator-
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| Hyoglossus | extrinsic Hyoid and Laryngeal elevator-
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| Genioglossus | extrinsic Hyoid and Laryngeal elevator-
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| Digastricus anterior | extrinsic Hyoid and Laryngeal elevator-
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