Face & Scalp Flashcards
The scalp reaches the _______ posteriorly
Superior nuchal lline
The scalp reaches _______ anteriorly
supraorbital margins
Name the 5 layers of the scalp
S: skin C: connective tis A: aponeurotic layer L: Loose areolar tis P: Pericranium
What layers of the scalp are moveable ?
Skin
Connective tis
aponeurotic layer
(can all be moved over the loose areolar)
hypodermis is the _____ of the scalp
CT layer of the fibrofatty tissue
_____ is the aponeurotic layer that covers the scalp of the cranium
galea aponeurotica
the epicranial aponeurosis connects the ____ & ____ M
frontalis M
Occipital M
C.C. when there is a scalping accident what layers of the scalp are torn off ?
skin
CT
Aponeurotic layer
name the 7 sensory nerves of the scalp
supratrochlear supraorbital zygomaticotemporal auriculotemporal lesser occipital greater occipital third occipital
____ N of the scalp is derived from the Opthalmic branch of the trigeminal
supratrochlear N
supraorbital
____ N of the scalp is derived from the opthalmic branch of the trigeminal
supraorbital N
supratrochlear N
____ N of the scalp is derived from is dereived from the maxillary branch of the trigeminal
zygomaticotemporal N
____ N of the scalp is derived from the mandibular branch of the trigeminal
auriculotemporal N
____ N of the scalp is derived from the cutaneous N of the cervical plexus VR C2, C3
lesser occipital
____ & ____ N of the scalp is derived from DR
Greater occipital (C2)
third occipital (C3)
What to arteries suppling the scalp originate from the maxillary artery
superficial temporal
posterior auricular
What are the 5 veins that drain the scalp
- supratrochlear
- supra orbital
- superficial temporal
- posterior auricular
- occipital
Superficial v + maxillary v = ?
retromandibular vein
Posterior auricular V + Posterior division of the retromandibular v =
EJV
Anterior division of the retromandibular V + Facial V =
Common facial V
Common facial vein drains into the _____
IJV
4 features that determine the shape of the face
- underlying bones
- deposition of fatty tissue
- color and effects of aging
- hair
Muscles of facial expression have ____ nerve fiber types
SVE
The M of facial expression mostly arise from ______ & insert in the _____
arise from skull bones
insert in the skin
facial M around the orifices of the face (mouth, nostrols, eyelids) act like ______
sphincters
All M of the face originate from the _____ pharyngeal arch
second
All facial M receive motor supply from the _____ N
facial N
The facial nerve is derived from the ______second arch
second pharyngeal arch
Sphinctor muscle of the eyelid
Orbicularis oculi
“worried look” M of the face
Corrugator Supercili
“suprised look” M of the face
occipitofrontalis
Occipital belly and frontal belly
Name the three portions of the corrugator superficili M
Palpebral
lacrimal
orbital
What are the two eyelid dialators?
Levator palpebrae superioris
Occitofrontalis
define what “Palpebral” means
eyelid
c.c what are two conditions that predispose a PT to cornea laserations
Lagophthalmos
belly palsy
cc What are two conditions that can be caused by an inhibition of the facial nerve
Bell’s palsy
Lagophthalmos
(eyes will stay open- predisposed to cornea lacerations & xeroethalmalia)
Name the 3 muscles that surround the eyes
occipitofrontalis (occipital & frontal belly)
Corrugator supercili
Orbicularis oculi
Name the 3 muscles of the nose
Compressor naris
dilator naris
procerus