Mouth and throat anatomy Flashcards
What muscles make up the floor of the mouth?
Geniohyoid
Mylohyoid
Anterior belly of digastric
Which side of the tongue has papillae?
Posterior or ventral surface
What papillae are found on the tongue?
Filliform
Fungiform
Foliate
Vallate
Which papillae has no role in taste?
Filiform
What vein is found under the tongue?
Lingual vein
What special role does the lingual vein have?
Sublingual drug uptake
What is the space either side of the frenulum called?
Sublingual fold
Where do the ducts of the submandibular glands open to?
Sublingual papillae
What are the three main salivary glands?
Parotid
Sublingual
Submandibular
Which muscles is the parotid gland associated with?
Sits on the masseter and pierces through the buccinator
Which nerve supplies the submandibular and sublingual glands?
CN VII
Which nerve supplies the parotid gland?
CN IX
What nerve is involved in all the glands but does not actually supply any?
V3
What part of the tongue is not in the oral cavity?
Posterior third
What nerve supplies the posterior third of the tongue?
CN IX
What is the dividing line between the anterior and posterior tongue?
Terminal sulcus
What nerves innervate the anterior tongue?
General sensory V3
Taste: CN VII
What is the foramen caecum?
Origin of thyroid gland
What are the 4 extrinsic muscles of the tongue?
Palatoglossus
Styloglossus
Hyoglossus
Genioglossus
Which of these muscles is the odd one out?
Palatoglossus since it is supplied by CNX and not CNXII
What do the intrinsic muscles of the tongue do?
Modify the shape of the tongue
What foramen in the skull does the hypoglossal nerve travel?
Hypoglossal canal
How is CNXII tested?
Stick tongue out
Tongue will point towards injured nerve
What mucosa is present on the hard palate?
Keratinised squamous epithelium
What is different about the hard and soft palate?
No bone in soft palate
Mucosa not keratinised in soft palate
