Superficial Face Flashcards
what are the cutaneous nerve branches of the trigeminal nerve?
V1: supraorbital and supratrochlear
V2: infraorbital
V3: long buccal, mental and auriculotemporal
what are the 4 muscles of facial expression?
orbicularis oculi
orbicularis oris
platysma
buccinator
what is the function of the orbicularis oculi?
closes eye
what is the function of orbicularis oris?
purses lips
what is the function of the buccinator muscle?
holds food between teeth and assits in chewing
what is the function of the platysma?
flares skin of the neck
where does the facial nerve branch? what do the branches innervate and what are the branches?
branches within the parotid gland
innervate muscles of facial expression
temporal, zygomatic, buccal, marginal mandibular and cervical
what is the function of the temporal branch of the facial nerve?
raises eyebrows and wrinkles forehead
what is the function of the zygomatic branch of the facial nerve?
closes eye tightly
what is the function of the buccal branch of the facial nerve?
smile, pucker lips and show upper teeth
what is the function of the marginal amndibular branch of the facial nerve?
show lower teeth
what is the function of the cervical branch of the facial nerve?
flare skin of the neck
what is Bell’s Palsy?
facial paralysis or paresis from damage of facial nerve or branches
causes loss of ability to generate all or some facial expressions
what are the main arteries/veins of the face?
superficial temporal, transverse facial and facial
what are the arterial branches of the face?
infraorbital (maxillary), superior labial (facial), inferior labial (facial) and mental