The Tongue Flashcards
What are the intrinsic muscles
Superior and inferior longitudinal muscles
Transverse and vertical muscles
What are the extrinsic muscles of the tongue
Genio glossus
Hypoglossus
Styloglossus
Palatoglossus
What si the movement of the genioglossus
Inferior fibres - protrude tongue
Middle fibres - depress tongue
Superior fibres - draw tio back and down
What are the movements of the hypoglossus
Depression and retraction of the tongue
What si the movement of the styloglossus
Retraction and elevation
What’s it eh movement of the palatoglossus
Elevates the posterior aspect of the tongue
What supples the anterior 2/3 tongue general sensation
Trigeminal nerve
Lingual nerve from V3
What supplies the special sensory for the anterior 2/3 of the tongue
Facial nerve with chorda tympani
What does the glossopharyngel supply for the tongue
Posterior 1/3 taste and touch sensation
What drains the tongue supply
Lingual vein
What supplies the tongue with arterial supply
Lingual artery and bit of facial artery (tonsilar artery)
What si the longitudinal sulcus down the midline of the tongue called
Median sulcus
What si the transverse line at the posterior aspect of the tongue
Sulcus terminalis
What an the foramen caecum
Where the median sulcus meets the transverse terminalis
Forming a pit
What’s it the structure that the hypoglossal nerve interacts with to supply the ,is less of the tongue
Ansa cervicalis
