Head dissection Flashcards
What innervates the parotidoauricularis?
Great auricular nerve of C2
What cranial nerves innervate the cheek muscles (zygomaticus, buccinator, masseter, etc)?
Trigeminal nerve (V) Facial nerve (VII)
What are the 2 main branches off the external jugular that supply the head?
Maxillary
Linguofacial
What does the lingual facial vein branch into?
Lingual (hyoid arch is branch off this)
Facial
What 3 sets of lymph nodes are found in the head?
Submandibular (2 per side)
Parotid (in front of ear)
Retropharyngeal (behind ear)
Where is the parotid gland duct?
On surface of masseter
Where does the parotid gland open into the mouth?
Small papilla on cheek
Opposite upper molars
The mandibular salivary gland is found in the V shape created by which veins?
Linguofacial
Maxillary vein
Where is the sublingual gland in relation to the mandibular salivary gland?
Sublingual runs from cranial aspect of mandibular
Which nerve supplies the muscles around the eyelids?
Palpebral branch of facial nerve
Which nerve supplies the muscles rostral to the ear?
Rostral auricular of facial nerve
What are the 3 cartilages of the ear?
Auricular
Scutiform
Annular
What are the 4 main muscles of mastication?
Temporalis
Masseter
Digastricus
Pterygoids
Which is the only jaw opener? What innervates this?
Digastricus
Cranial half - mandibular branch of trigeminal
Caudal half - facial nerve
What are the jaw closing muscles? What are they all innervated by?
Temporalis
Masseter
Pterygoid
Innervated by mandibular branch of trigeminal