GA2 - face and scalp Flashcards
scalp covers the ___
calvaria
scalp extends from the ____ ___ ___ posteriorly to the ___ ___ anteriorly
superior nuchal line
supraorbital margin
scalp is made of 5 layers
skin CT of fibrofatty tissue aponeurotic layer loose areolar tissue pericranium
CT layer of fibrofatty tissue is also known as the ____
hypodermis
aponeurotic layer of the scalp is a flat sheet of ___
tendon
aponeurotic layer of the scalp is also known as the ___ ___
galea aponeurotica
skin, CT and aponeurosis can ____ to move over the loose areolar layer
separate
pericranium is the ___ of the skull
periosteum
5 arteries form an anastomotic network of vessels to supply the scalp
supratrochlear supraorbital superficial temporal post auricular occipital
with a laceration to the scalp there would be ____ bleeding
profuse
with a coronal laceration of the scalp there would be a ___ would
gaping
sensory nerve supply to the scalp is by 7 nerves
supratrochlear supraorbital zygomaticotemporal auriculotemporal lesser occipital greater occipital third occipital
supratrochlear and supraorbital are both branches of the ____ of the ___
ophthalmic
trigeminal
zygomaticotemporal is a branch of the ___ division of the ___
maxillary
trigeminal
lesser occipital nerve a cutaneous branch of the ___ plexus
cervical (C2, C3 ventral rami)
greater occipital and third occipital nerves come from ___ rami
dorsal
scalp is drained by 5 veins
supratrochlear supraorbital superficial temporal post auricular occipital
superficial temporal and maxillary veins join to form the ___ vein
retromandibular
post division of the retromandibular and post auricular join together to form the ___ ___ vein
external jugular
ant retromandibular and facial join to make the ___ ___ vein which then drains into the ___ ___ vein
common facial
internal jugular
face is the ___ aspect of the head
anterior
basic shape of the face is determined by 4 things
underlying bones
deposition of fatty tissue
color and effects of aging
abundance, nature and distribution of hair
buccal fat pad helps babies in ____
suckling
when a person has sunken in cheeks they probably have an ___ ___
eating disorder
face plays an important role in ____
communication
muscles of facial expression usually lie within the ___ fascia of the face
superficial
muscles of facial expression rise mostly from ___ bones and insert in the __ of the face
skull
skin
facial muscles around the orifices of the face act like ____
sphincters
facial muscles also act to produce various types of facial ___
expressions
all muscles of the face originate from the ___ pharyngeal arch
2nd
all facial muscles receive motor supply from the ___ nerve
facial
facial nerve carries ___ fibers
SVE
occipital belly of the occipitofrontalis attaches at the lateral 2/3 of the ___ ___ ___ to ____ aponeurosis
superior nuchal line
epicranial
frontal belly of the ocipitofrontalis attaches to the ___ aponeurosis to the skin and subcutaneous tissue of the ___ and ___
epicranial
eyebrows
forehead
innervation to the occipital belly of the occipitofrontalis
post auricular branch of CN VII
innervation to the frontal belly of the occipitofrontralis
temporal branch of facial nerve
action of the occipital belly of the occipitofrontalis
retracts the scalp
action of the frontal belly of the occipitofrontalis
protracts the scalp
action of both bellies of the occipitofrontalis
elevates the eyebrows and produce transverse wrinkles across the forehead
corrugator supercilli attachments:
from medial end of ___ ___ to the skin of the ___
supercilliary arch
eyebrow
innervation to the corrugator supercilli
temporal branch of facial nerve
action of the corrugator supercilli
draws eyebrows medially
sphincter muscle of the eye lid is the ___ ___
orbicularis oculi
dilator muscles are the ___ ___ ___ and the ___
levator palpebrae superioris
occipitofrontalis
attatchments of the orbicularis oculi:
medial ___ lig runs in the eyelids in front of tarsal plate to attach to the lateral ____ raphe
palpebral
palpebral
3 parts to the orbicularis oculi
orbital
palpebral
lacrimal
innervations of the upper orbicularis oculi
temporal branch of facial
action of the orbicularis oculi
closes the eyelids
bell’s palsy
facial n damaged cant close eyes cant blink xerophthalmia - dry eyes lagophthalmos - eyes stay open cornea lacerations
levator palpebrae superioris elevates ___ eyelid
upper
levator palpebrae superioris is ___ a muscle of ___ ___
not
facial expression
innervation to the lower orbicularis oculi
zygomatic branch of facial
2 parts to the nasalis
compressor naris
dilator naris