L6 Oral, Nasal Cavity & Paranasal Sinuses Flashcards
Oral cavity
Roof and floor
Hard and soft palate
Innervation
What main nerve innervates the hard palate
— three branch?
Trigeminal maxillary division V2 — because it’s part of the maxillary bone
— nasopalatine
— greater palatine
— lesser palatine
Soft palate : tensor veil palatini muscle
Levator veil palatini muscle
Just learn their actions
Levator veli palatini
Tensor veli palatini
Levator veli palatini — elevates soft palate
Tensor veli palatini — tenses softa palate
Related muscles 643
Tensor innervated by?
All the rest?
Tensor innervated by? Trigeminal V3
which makes sense because this is the mouth! Therefore, mandible division
All the rest? vagus via pharyngeal plexus
Submandibular duct and lingual nerve
lingual nerve is a branch of?
Trigeminal V3 mandibular
Lingual nerve is a branch of?
Trigeminal V3
Submandibular ganglion (look this up)
Glossopharyngeal nerve CN IX
Runs laterally to which muscle?
Dives deep in between which two muscles?
Runs laterally to which muscle? stylopharyngeus muscle
Dives deep in between which two muscles? superior and middle constrictor
Hypoglossal nerve CN XII
Tongue
Anterior 2/3 innervated by?
Posterior 1/3 innervated by?
Anterior 2/3 innervated by? facial VII
Posterior 1/3 innervated by? glossopharngeal IX
Sensory innvervation of the tongue
Tongue — intrinsic muscles
Which nerve?
Hypoglossal XII
Tongue — extrinsic muscles
Blood supply to the tongue
Nerves
Lymphatic drainage
From tip to back of mouth (3)
Submental
Sublingual
Deep cervical
What are these teeth?
Teeth: maxillary and mandibular
Nerve branches
Top teeth?
Bottom teeth?
Which CN?
Top teeth? superior alveolar nerve from CN V2
Bottom teeth? inferior alveolar nerve from CN V3
Salivary glands
External muscles
Label these external structures
Blood and nerve supply
Lateral bones
Bones medial
Conchae
Paranasal sinuses
Innvervation
Label the structures
Paranasal sinuses
Identify vessels
Medial wall vessels
Veins
Identify these structures
Innvervation of the nose
What are these? Look this up