Face and Parotid Gland Flashcards
m. of facial expression
frontalis orbicularis oculi (orbital/ palpebral) nasals buccinator orbicularis oris mentalis platysma depressor labii inferioris depressor anguli oris levator anguli oris zygomaticus major/minor levator labii superioris
m. to raise eyebrow
frontalis m.
buccal br. of facial n.
vs.
LONG buccal br. of V3
buccal br. of facial n. –> motor to buccinator
LONG buccal br. of V3 —> sensory info from cheek/teeth
facial n. br. for facial expression mucles
temporal zygomatic buccal marginal mandibular cervical posterior auricular
Bell’s Palsy
idiopathic, may result from viral infection –> inflammatory swelling of facial n. in facial canal
- ipsilateral paralysis of m. of facial expression
- irritation in the eye
- hyperacusis and loss of taste
- pain in external ear/behind ear
Which n. provides sensory innervation to the anterior ear?
V3
herpez zoster (shingles)
reactivation of varicella zoster virus (chicken pox) which remains latent in neuron cell bodies (exp. trigeminal ganglion)
- normal aging/poor nutrition/immunocompromised status –> outbreak
- virus travels along n. to cause a vesicular rash of skin supplied by that nerve (dermatome)
digastric br. of CN VII supplies which m.
- posterior belly digastric
- stylohyoid
stapedius m. function
- stabilizes stapes
- muffles loud noises, primarily chewing
terminal branch of ECA that ascends to the medial angle of the eye’s orbit
angular a.
anterior retromandibular v. joins the________ v. and drains into IJV
anterior retromandibular v. joins the FACIAL v. and drains into IJV
posterior retromandibular v. joins the _______ v. and becomes the EJV
posterior retromandibular v. joins the POSTERIOR AURICULAR V. and drains into the EJV
largest salivary gland
parotid gland
parotid gland covers which m.?
masseter m.
parotid gland extends from ________ down to ________
parotid gland extends from ZYGOMATIC ARCH down to LOWER BORDER OF MANDIBLE
