Head dissection

Question 1

What innervates the parotidoauricularis?

Answer 1

Great auricular nerve of C2

Question 2

What cranial nerves innervate the cheek muscles (zygomaticus, buccinator, masseter, etc)?

Answer 2

Trigeminal nerve (V)
Facial nerve (VII)

Question 3

What are the 2 main branches off the external jugular that supply the head?

Answer 3

Maxillary

Linguofacial

Question 4

What does the lingual facial vein branch into?

Answer 4

Lingual (hyoid arch is branch off this)

Facial

Question 5

What 3 sets of lymph nodes are found in the head?

Answer 5

Submandibular (2 per side)
Parotid (in front of ear)
Retropharyngeal (behind ear)

Question 6

Where is the parotid gland duct?

Answer 6

On surface of masseter

Question 7

Where does the parotid gland open into the mouth?

Answer 7

Small papilla on cheek

Opposite upper molars

Question 8

The mandibular salivary gland is found in the V shape created by which veins?

Answer 8

Linguofacial

Maxillary vein

Question 9

Where is the sublingual gland in relation to the mandibular salivary gland?

Answer 9

Sublingual runs from cranial aspect of mandibular

Question 10

Which nerve supplies the muscles around the eyelids?

Answer 10

Palpebral branch of facial nerve

Question 11

Which nerve supplies the muscles rostral to the ear?

Answer 11

Rostral auricular of facial nerve

Question 12

What are the 3 cartilages of the ear?

Answer 12

Auricular
Scutiform
Annular

Question 13

What are the 4 main muscles of mastication?

Answer 13

Temporalis
Masseter
Digastricus
Pterygoids

Question 14

Which is the only jaw opener? What innervates this?

Answer 14

Digastricus
Cranial half - mandibular branch of trigeminal
Caudal half - facial nerve

Question 15

What are the jaw closing muscles? What are they all innervated by?

Answer 15

Temporalis
Masseter
Pterygoid
Innervated by mandibular branch of trigeminal

Question 16

What does the buccinator nerve supply?

Answer 16

Sensory

To mucosa and skin of cheek

Question 17

What does the mental nerve supply?

Answer 17

Sensory

To skin of lower lip and genu

Question 18

What does the mylohyoid nerve supply?

Answer 18

Supplies mylohyoid muscle

Sensory to skin caudal to territory of mental nerve

Question 19

What is the mylohyoid a branch of?

Answer 19

Inferior alveolar (which is part of trigeminal)

Question 20

The sublingual caruncles are the orifices of which 2 salivary gland ducts?

Answer 20

Sublingual

Mandibular

Question 21

What is the chorda tympani nerve?

Answer 21

Part of the Facial nerve 
Senses taste (rostral 2/3rds)

Question 22

What innervates the tongue?

Answer 22

Rostral 2/3 - lingual of trigeminal (sensory)and chorda tympani (taste)
Caudal 1/3 - glossopharyngeal (sensory and taste)

Question 23

What ganglion is found deep in the head dissection, as part of maxillary branch of trigeminal?

Answer 23

Pterygopalatine ganglion

Small pink

Question 24

Which branch of the maxillary trigeminal cannot be seen in the head dissection and why?

Answer 24

Opthalmic

Runs deep to periorbita

Question 25

The opthalmic branch of the trigeminal splits into 3 branches. What are these?

Answer 25

Frontal nerve Lacrimal nerve Nasociliary nerve

Question 26

What 3 components make up the carotid sheath?

Answer 26

Common carotid artery | Internal jugular vein Vagosympathetic trunk

Question 27

What bones make up the hyoid apparatus?

Answer 27

``` Tympanohyoid cartilage Stylohyoid Epihyoid Keratohyoid Basihyoid Thyrohyoid ```

Question 28

What muscles are associate with the hyoid apparatus? (SSGG)

Answer 28

Sternothryohyoideus Styloglossus Genioglossus Geniohyoid

Question 29

What is the median long filiform body of the tongue called? (AKA the worm of the tongue)

Answer 29

Lyssa (on ventral aspect of tongue)

Question 30

What are the 4 different types of papilla on the tongue?

Answer 30

``` Filiform Fungiform Foliate Vallate Conical ```

Question 31

What is the name of the line running long the dorsal aspect of the tongue?

Answer 31

Median sulcus

Question 32

Where are the palatine tonsils located?

Answer 32

Tonsil crypt

Question 33

What is the only sensory component of the facial nerve? What does it supply?

Answer 33

Internal auricular nerve (passes through auricular cartilage) Supplies sensory to skin of inner ear

Question 34

What 2 ganglia are found in the cranial neck?

Answer 34

Nodose ganglion | Cranial cervical ganglion

Question 35

The buccinator emerges between which 2 veins?

Answer 35

Facial vein | Deep facial vein

Question 36

What nerve supplies the vibrissae?

Answer 36

Mylohyoid (branch of mandibular trigeminal)