Session 9 - oral cavity and pharynx Flashcards Preview

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Flashcards in Session 9 - oral cavity and pharynx Deck (10):
1

which nerve provides motor innervation to most of the muscles of the tonque

hypoglossal nerve

2

which muscle of the tongue is not innervated by the hypoglossal nerve and which nerve is it innervated by

palatoglossus
innervated by the vagus nerve

3

what are the intrinsic muscles of the tongue

There are four paired intrinsic muscles of the tongue and they are named by the direction in which they travel: the superior longitudinal, inferior longitudinal, transverse and vertical muscles of the tongue. These muscles affect the shape and size of the tongue – for example, in tongue rolling – and have a role in facilitating speech, eating and swallowing.
they are not attached to bone but are attached to other muscles

4

what are the extrinsic muscles of the tongue

genioglossus
hyoglossus
stylogossus
palatoglossus

5

which nerves provide sensory innervation to the tongue

anterior 2/3
sensation- trigeminal Vc
taste- facial

posterior 1/3
sensation and taste - glossopharyngeal

6

where does saliva form the submandibular gland empty

empties via the wharton duct on the posterior surface of the tongue

7

where does the parotid gland empty

via the stensen duct
around 2nd upper molar

8

what is sialolithiasis

salivary gland stones
Most stones are located in the submandibular glands
Dehydration, reduced salivary flow
Most stones less than 1cm diameter
Symptoms (eating stimulates) - as you release saliva when you eat
• Pain in gland
• Swelling
• Infection
• Diagnosis- history, x-ray, sialogram

9

what symptoms does tonsillitis present with

• Fever
• Sore throat
• Pain/difficulty swallowing
• Cervical lymph nodes
• Bad breath

10

what symptoms does a peritonsillar abscess present with

• Severe throat pain
• Fever
• Bad breath
• Drooling
• Difficulty opening mouth
deviates uvular to one side

can follow tonsillitis or arise on its own