Face and Scalp Flashcards
what does the superficial fascia and fat of scalp blend with?
superficial fascia in the neck posteriorly
extends into temporal regions laterally
what fascia covers the masseter and invests into the parotid gland?
deep cervical fascia (parotid fascia)
where do the muscles of facial expression originate and insert into?
facial bone –> skin/connective tissue of face
what are the muscles of facial expression?
frontalis (anterior belly of fronto-occipitalis) corrigator supercili orbicularis oculi procerus nasalis levator labii superioris alaeque nasi buccinator zygomaticus major and minor risorius orbicularis oris levator labii superioris levator anguli oris depressor labii inferioris depressor anguli oris mentalis platysma
what muscles control the movement of the lips?
obicularis oris levator anguli oris depressor anguli oris levator labii superioris (and levator labii superioris alaeque nasi) depressor labi inferioris
what muscles are found around the nose?
procerus
nasalis
levator labii superioris alaeque nasi
what muscles are found in the cheeks?
risorius
zygomaticus major and minor
buccinator
(also levator labii superioris and anguli superioris)
what muscles are found around the eyes?
orbiuclaris oculi
corrigator supercilli
what muscle is found in the forehead?
frontalis (anterior belly of fronto-ocipitalis)
what muscles are found in the chin?
platysma
mentalis
(also depressor anguli oris and depressor labii inferioris and orbicularis oris under lips)
what are the branches of the facial nerve?
posterior auricular temporal zygomatic buccal marginal mandibular cervical
which branches of the facial nerve arise within the parotid?
all but posterior auricular
temporal, zygomatic, buccal, mandibular and cervical
what does the posterior auricular branch of the facial nerve supply?
occipitalis
stylohyoid
posterior belly of digastric
what does the temporal branch of the facial nerve supply?
frontalis
orbicularis oculi
what does the zygomatic branch of the facial nerve supply?
orbicularis oculi
what does the buccal branch of the facial nerve supply?
zygomaticus major and minor levator labii superioris levator anguli oris buccinator orbicularis oris nasalis
what does the marginal mandibular branch of the facial nerve supply?
depressor anguli oris
depressor labii oris
mentalis
what does the cervical branch of the facial nerve supply?
platysma
what foramen does the facial nerve pass through to exit the skull?
stylomastoid foramen
what branches of the external carotid artery supply the head?
facial
transverse facial
superficial temporal
what are the branches of the facial artery?
supratrochlear (opthalmic) supraorbital submental superior labial inferior labial lateral nasal
what veins drain the head to the external jugular vein?
supraorbital
supratrochlear
superficial temporal
facial
what are the layers of the scalp?
SCALP Skin Connective tissue Aponeurosis (between frontalis and occipitalis) Loose areolar connective tissue Periosteum (pericranium)
what vessels from the external carotid supply the scalp?
supratrochlear supraorbital superficial temporal posterior auricular occipital
what is the role of the emissary veins?
communication between superficial veins of the scalp (in the connective tissue layer) and the dural venous sinuses
what gives nervous supply to the scalp?
supratrochlear (opthalmic, CN V1) supraorbital (CN V1) zygomaticotemporal (maxillary, CN V2) auriculotemporal (mandibular, CN V3) lesser occipital (C2) greater occipital (C2) third occipital (C3)
what are the branches of the trigeminal nerve that supply the face?
frontal (CN V1) nasociliary (CN V1) infraorbital (CN V2) superior alveolar (CN V2) lingual (CN V3) inferior alveolar (CN V3) auriculotemporal (CN V3)
what are the three divisions of the trigeminal nerve?
CN V1 = ophthalmic
CN V2 = maxillary
CN V3 = mandibular
where does most of the lymph from the face drain to?
parotid
superficial cervical
deep cervical
(also occipital, mastoid, submandibular and submental)
