the face Flashcards
the face is:
ant aspects of the head located ant to the ears extended from forehead to chin
how many deep facia in the face ?
none , no deep fascia in the face
two types of nerves in the face:
motor (facial crenia nerve VII)
sensory (trigeminal nerve V)
points of muacle of facial expression ;
1 located within superficial fascia
2 attached ti bony are at one endand to the skin at the other
3 no tendons
4 all innervateed by facial cn 7
buccinator muscle function :
movement of cheek
smiling,chewing,whistling
what is the levators muscle
muscle upper of the upper lip left the lip up
what is the depressors muscle
muscle under the lower lip pulls the lip down
what is the prerygomandibular ligament?
it a tendinous band at end of buccinator muscle
facial nerve 7 exits skull through
stylomastoid foramin
(the whole between styloid and mastoid muscle)
facial nerve 7 give branches from stylomastoid foramen to:
1 post to auricle
2 branches to stylohyoid and post belly of digastric
the five branches of facial nerve enters through?
parotid gland
what are the motor branches of facial nerve
1 posterior auricular nevre
2 temporal -frontal orb,oculi
3 zygomatic -orb.oculi
4 buccal -lip m
5 mandibular -lip m
6 cervival -platysma
how many nerves called buccal?
two, buccal moter nerve -buccinator/upper lip.m
buccal sensory nerve v3
trigeminal nerve 5
gave sensation to the face and teeth except angle of the mandibular and parotid region
trigeminal nerve 5 devided into three division:
opthalmis v1
maxillary v2
mandibular v3
opthalmic nerve v1
whole sensory
1 supraorbital
2 supratrochlear
3 infratrochlear
4 external nasial
5 lacrimal
maxillary nerve v2
(whole sensory)
1 infra orbital
2 zygomatico facial
3 zygomato temporal
mandibular nerve v3
mixed motor and sensory
sensory - lower face/teeth / tongue ltemporal region
motor- muscles of mastication and medial pterygoid
which nerve is the largest?
mandicylar nerve v3
3 mandibular nerve branches :
1 auriculotemporal -EA meatus
2 buccal -cheek
3 mental -chin