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54 Cards in this Set
- Front
- Back
Which type of muscles control the position of the tongue? |
Extrinsic |
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The muscles of the tongue are all innervated by what cranial nerve? |
Hypoglossal XII |
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Name the 3 Extrinsic Tongue Muscles: |
1-Hyoglossus 2-Genioglossus 3-Styloglossus |
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Which Extrinsic tongue muscle depresses the tongue? |
Hyoglossus |
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Which Extrinsic tongue muscle protrudes the tongue? |
Genioglossus |
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Which Extrinsic tongue muscle retracts the tongue? |
Styloglossus |
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Muscles of the tongue can be classified as ___________ or ____________ . |
Extrinsic; Intrinsic |
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*Some sources consider the Palatoglossus an Extrinsic tongue muscle. *It is not innervated by CN XII however, it is innervated by the pharyngeal plexus along with other palatal muscles. |
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Which type of muscles control the shape of the tongue? |
Intrinsic |
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Both Intrinsic & Extrinsic tongue muscles are innervated by what CN? |
CN XII |
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Name the 4 Intrinsic tongue muscles: |
1-Superior Longitudinal 2-Inferior Longitudinal 3-Transverse 4-Vertical |
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Which 2 Intrinsic tongue muscles shorten & thicken the tongue? |
Superior & Inferior Longitudinal |
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Which 2 Intrinsic tongue muscles make the tongue long & narrow? |
Transverse & Vertical |
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*The Superior Longitudinal muscle curls the tip (and sides) of the tongue superiorly, making the dorsum of the tongue concave. (FYI ONLY!!) |
*The Inferior Longitudinal muscle curls the tip of the tongue inferiorly
(FYI ONLY!!) |
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What is the name of the Motor nerve to the muscles of the tongue? |
XII Hypoglossal |
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What is the name of the Sensory nerve to the body of the tongue (lingual branch)? |
V3 Trigeminal |
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What nerve supplies taste to the body of the tongue (via Chorda Tympani)? |
VII Facial Nerve |
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What nerve supplies Sensory & Taste to the base of the tongue? |
IX Glossopharyngeal |
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Sensation & Taste: Glossopharyngeal (IX) Sensation: Lingual nerve (V3) Taste: Chorda Tympani (VII) |
*Sensory: Touch & Pain |
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The blood supply to the tongue is from the ________ Artery, a branch of the External Carotid Artery (Some angry lady figured out PMS) |
Lingual |
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What term describes top of tongue? |
Dorsum |
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What term describes underside of tongue? |
Ventral |
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What term describes Posterior 1/3 of tongue? |
Base |
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What term describes Anterior 2/3 of tongue? |
Body |
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What term describes tip of tongue? |
Apex |
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what term describes Longitudinal depression down center of dorsum of tongue? |
Median Lingual Sulcus |
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What term describes V-shaped groove on dorsal surface? |
Sulcus Terminalis |
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What term describes depression on sulcus terminalis. Site of the embryonic origin of the thyroid gland? "Belly button of the tongue" |
Foramen Cecum |
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What term describes prominent veins on the ventral surface? |
Deep Lingual Veins |
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What term describes finger-like projections on the ventral surface of tongue? |
Plica Fimbriata |
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Tongue Pic =) |
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Which type of muscles of the Pharynx consist of 3 paired muscles (superior, middle, inferior) ? |
Pharyngeal Constrictor Muscles |
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Pharyngeal constrictor muscles Insert into the ________ pharyngeal raphe. |
Median |
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The Action of the Pharyngeal constrictor muscles is to raise the ________ & ________ and aids in placing food into the esophagus |
pharynx; larynx |
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Name the 3 types of pharyngeal constrictor muscles? |
1-superior 2-middle 3-inferior |
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Which pharyngeal constrictor originates in the hamulus, mandible & pterygomandibular raphe? |
Superior |
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Which pharyngeal constrictor originates in the hyoid bone & stylohyoid ligament? |
Middle |
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Which pharyngeal constrictor originates in the cricoids cartilages of the larynx? |
Inferior |
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What type of papilla are located anterior to the sulcus terminalis, contain taste buds and minor salivary glands called Von Ebner's Glands? |
Circumvallate |
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What type of papilla are the most numerous papillae, have keratinized tips & give the tongue its velvet-like appearance? ***no taste buds here*** |
Filiform |
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What type of papilla sometimes appear as red bumps on the dorsum of the tongue, contain taste buds and have a mushroom-like appearance? |
Fungiform |
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What type of papilla appear at the lateral border or side of the base of the tongue, slightly folded, appear leaf-like & contain taste buds? |
Foliate |
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What muscle appears in the mouth and connects to the buccinator via the pterygomandibular raphe, near landmark for the IA injection? *Know this for clinic* |
Superior Constrictor Muscle |
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The soft palate is distinguished from the hard palate at the front of the mouth in that it does not contain ______ . |
bone |
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What structure in the mouth is responsible for closing off the nasal passages during the act of swallowing, and also closing off the airway? |
Soft Palate |
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*Know the muscles of the soft palate |
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What muscles in the mouth are involved in speaking, swallowing and breathing? |
Muscles of the Soft Palate |
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Name the 2 muscles of the Soft Palate: |
1-Palatoglossus 2-Palatopharyngeus |
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Which muscle of the soft palate forms the anterior faucial pillar? |
Palatoglossus |
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What is the Action of the Palatoglossus muscle? |
elevates the tongue |
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What muscle of the soft palate forms the posterior faucial pillar? |
Palatopharyngeus |
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What is the Action of the Palatopharyngeus muscle? |
Moves palate back & down |
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The following will not likely be on the final exam-just recognize the names =) |
Levator Veli Palatini Muscle- Action-Raises the soft palate, aids in swallowing & speech Tensor Veli Palatini Muscle- Action-Tenses & lowers soft palate *Innervated by V3 of fifth CN The Muscle of the Uvula- Action-shorten and broaden the uvula, aids in swallowing |
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External Muscles of the Tongue =) |
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