The tongue and floor of the mouth

Question 1

Type of epithelium on the floor of the mouth

Answer 1

Non keratinised stratified squamous epithelium

Question 2

What do the medial fibres from the mylohyoid muscles form

Answer 2

Midline raphe

Question 3

Where are supra hyoid muscles located

Answer 3

Above the hyoid bone

Form the floor of the mouth

Question 4

Where are the infra hyoid muscles located

Answer 4

Below the hyoid bone

Depresses the hyoid during swallowing

Question 5

What are the supra hyoid muscles

Answer 5

Ant belly of digastric 
Post belly of digastric 
Stylohyoid 
Geniohyoid 
Mylohyoid

Question 6

What are the infra hyoid muscles

Answer 6

Sup belly of omohyoid 
Inf belly of omohyoid 
Thyrohyoid 
Sternohyoid 
Sternothyrohyoid

Question 7

Special sensory anterior 2/3

Answer 7

Chorda tympani carried by lingual branch - facial nerve

Question 8

Sensory anterior 2/3

Answer 8

Lingual branch - mandibular branch of trigeminal nerve

Question 9

Sensory and taste posterior 1/3

Answer 9

Glossopharyngeal

Question 10

Motor to tongue

Answer 10

Hypoglossal expect palatoglossus which is innervated by pharyngeal plexus of vagus nerve

Question 11

Papillae on anterior 2/3

Answer 11

Filiform - rough, leaf like, mastication, keratinised
Fungiform - Red, smooth, round, taste
Circumvallate

Question 12

Papillae on posterior 1/3

Answer 12

Foliate - taste buds, lateral margins, leaf like

Question 13

Epithelium on ventral surface

Answer 13

Thin, non- keratinised oral mucosa

Question 14

Intrinsic muscles of the tongue

Answer 14

Vertical (volatile)
Transverse (tablets)
Superior longitudinal (send)
Inferior longitudinal (inchworms)

Question 15

Extrinisic muscles of the tongue

Answer 15

Palatoglossus (Paris)
Styloglossus (St)
Genioglossus (Germains)
Hyoglossus (Hour)