Superficial Face Flashcards
(94 cards)
Describe trigeminal neuralagia
Tic douloureux: sensory disorder of the tirgeminal nerve, characterized by sudden attacks of excruciating facial pain; predominantly affects V2 and V3; most cases probably due to compression of nerve root by blood vessels
What are the facial nerve branches in the face?
Tiny, zebra, bit, my, cheek; Temporal, zygomatic, buccal (NOT TO BE CONFUSED WITH BUCCAL N OF TRI), mandibular, cervical
Describe Bell’s Palsy
Unilateral facial nerve paralysis; idiopathic, injury, cold, disease (herpes, lyme); cant blink, pucker lips, cant keep food in mouth while chewing
What is the treatment for Bell’s Palsy?
Steroid to reduce inflammation, antivirals, and eyedrops; for idiopathic causes: 80% recovery
What is the arterial supply for the for the superficial face and scalp?
External carotid arteries
What branches of the internal carotid supply the superficial face and scalp?
Supra-orbital artery and the supratrochlear artery
What are the branches of facial artery?
Superior and inferior labial aa. And angular a.(terminal branch)
What is the terminal branch of the inferior alveolar a that supplies the face?
Mental a
What arteries anastomose at the top of superficial head?
Supratrochlear, supra-orbital, superficial temporal, posterior auricular artery, occipital aa.
Veins of the face drain to what?
External jugular veins
What part of the face is most expressive?
the mouth
What consists of muscle fibers that encircle the opeing of the mouth?
Orbicularis oris
When the orbicularis oris contracts what happens?
the mouth closes
What muscle causes a frown?
Depressor anguli oris
What muscles causes you to blink/close eyes?
Orbicularis oculi
What muscle causes a smile?
Zygomaticus major
What muscle causes you to close mouth/kiss?
Orbicularis oris
What muscle causes you to wrinkle forehead, raise eyebrows
Frontal belly of occipitofrontalis
What muscle tense skin of neck?
Playtsma
What is the largest salivary gland?
Parotid gland
Where is the parotid gland and duct is located?
located laterally in the face, just anterior and inferior to the ear
What does the parotid gland and duct receive its sensory innervation from?
Great auricular nerve
Parasympathetics of the paratid gland and ducts is via?
Glossopharyngeal n IX via posterior auricular n (postsynaptic from otic ganglion)
Where does the parotid duct deliver saliva?
To oral cavity, just lateral to the 2nd upper molar teeth