face and scalp

bells palsy

parotid gland

largest of 3 main salivary glands

parotid duct

passes from parotid gland into oral cavity

pass through parotid gland

facial nerve, external carotid artery, and retromandibular vein

facial artery

primary artery supplying face

inferior labial artery

supplies lower lip

superior labial artery

supplies upper lip and nasal septum

angular artery

terminal branch of facial artery at medial corner of eye

facial vein

drains into internal jugular vein

layers of scalp

skin

connective tissue (dense)

aponeurotic layer

loose connective tissue

pericranium

scalp proper

3 most superficial layers of scalp tightly bound into functional unit

skin

outer layer of scalp

scommonly covered more densely with hair than other areas of body

dense connective tissue

deep to skin anchoring it to aponeurotic layer

contains nerves and vessels

aponeurotic layer

deep to dense connective tissue layer

includes occipitofrontalis

loose connective tissue

deep to aponeurotic layer

faciliates movement of scap proper over calvaria

pericranium

deepest layer of scalp

periosteum of bones of calvaria

oplthalmic artery

branch of internal carotid artery

supratrochlear and supra-orbital branches supply posterior aspects of scalp from forehead to vertex

(travel with nerves of same names)

posterior auricular artery

branch of external carotid artery that supplies scalp posterior to ear

occipital artery

branch of external carotid artery that supplies large portion of posterior scalp

superficial temporal artery

brnach of external carotid artery that supplies entire lateral scalp