Salivary Glands, Tongue, Palate and Pharynx Anatomy Flashcards
(68 cards)
Name 3 muscles of the floor of the mouth?
Mylohyoid, geniohyoid, anterior belly of diagastric
What is the area between the lips and teeth known as?
Vestibule
What is the function of the sublingual papillae?
Openings for the ducts of the submandibular salivary glands
Describe the mucosa of the floor of the mouth?
Very thin
When there is ‘tongue tie’ the frenulum is too short and the tongue is therefore bound to where?
Gigivae of the lower incisor teeth
What are the 3 major pairs of salivary glands known as?
When are these most active?
Parotid, submental and submandibular- most active at meal times
Where are minor salivary glands found? What is their function?
Oral mucosa, lips, cheeks, palate. Function is basal secretion to keep the mouth moist.
Which salivary gland is usually palpable?
Submandibular
What muscle does the parotid gland sit on top of?
Where does the parotid duct sit?
Gland- on top of the masseter muscle
Duct- above the upper 2nd molar
Where is the sublingual gland found?
Deep to the mucosa in the floor of the mouth
Where are the sublingual ducts found?
On the sublingual fold in the floor of the mouth
What nerve is found at the stylomastoid foramen and internal acoustic meatus?
CNVII
What nerve is found at the foramen ovale?
CNV3
What does the chorda tympani branch of CNVII connect to?
Lingual nerve branch of CNV3
What nerve supplies the sublingual gland?
CNVII
What nerve and what specific nerve type supplies the submandibular gland?
CNVII parasympathetic axons
What is the function of the auriculotemporal branch of CNV3?
General sensation to the parotid gland sheath and the skin around it
What is the secretomotor innervation of the parotid gland?
Parasympathetics from CNIX (glossopharyngeal)
What is the role of the facial nerve within the parotid gland?
Nothing, it just passes through
What type of muscle is the tongue made up of?
What is it covered in?
Skeletal muscle. The tongue is covered in lingual mucosa.
What is the tongue divided into?
Anterior (horizontal) 2/3rds and posterior (vertical) 1/3rd
Where are the anterior 2/3rds of the tongue found?
In the oral cavity
What supplies general sensation to the anterior tongue?
What supplies special sensation to the anterior tongue?
General = CNV3 Special = CNVII
Is the posterior tongue in the oral cavity?
No