Quiz 1 Material Flashcards
Specific to her study guide.
Anterior cranial fossa
Cribriform plate soft tissue? (ST)
olfactory nerve, I
Anterior crnail fossa Cristae galli (ethmoid) ST
falx cerebri
Middle Cranial Fossa
Optic foramen opens to OPTIC CANAL st?
optic n., II
ophthalmic a.
Middle Cranial Fossa
superior orbital fissure
oculomotor n., III trochlear nerve IV ophthalmic n., V 1 abducent n. VI superior and inferior ophthalmic vv
Middle Cranial Fossa
Foramen rotundum
maxillary n., V2
Middle cranial fossa
foramen ovale
mandibular n V3
lesser petrosal n.
middle cranial fossa
foramen spinosum
middle meningeal a.
Middle Cranial Fossa
foramen lacerum
large amounts of cartilage
posterior cranial fossa internal acoustic (auditory) meatus
facial n. VII
vestibulocochlear n. VIII
labyrinthine a,.
posterior cranial fossa
jugular foramen
interior jugular v inferior petrosal sinus glossoppharyngeal IX vagus X spinal accessory XI nerves
posterior cranial fossa
foramen magnum
spinal cord vertebral aa sympathetic plexi anterior spinal a posterior spinal aa roots of accessory XI meninges
foramina of front skull
supraorbital notch/foramen
supraorbital n. and vessels
foramina of front skull
infraorbital
infraorbital nerves and vessels
foramina of front skull
nasolacrimal canal
nasolacrimal duct.
foramina of front skull
mental foramen
mental nerves and vessels
foramina of base of skull
petrotympanic fissure
tensor veli palatini muscle
foramina of base of skull
stylomastoid foramen
facial n. VII
internal occipital protuberance
site of the confluence of venous sinuses
Frontal crest
Beginning of the superior sagittal venous sinus
The cavernous sinuses’ contents
Internal carotid artery CN III CN IV CN V --> V1 and V2 CN VI
Orbicularis oculi
Orbital’s origin, insertion, and action
origin: medial orbital margin
insertion: skin around orbit
action: squeezes eyelids
Orbicularis oculi
palpebral part’s origin, insertion, and action
origin: medial palpebral ligament
insertion: tarsal plate
action: closes eyelids
levator labii superioris (mouth) OIA
origin: infraorbital margin of maxilla
insertion: lateral half of upper lip
action: raises upper lip, helps form nasolabial furrow
Zygomaticus major OIA
o Origin: Posterior part of lateral surface of zygomatic bone
o Insertion: Skin at corner of mouth
o Action: Draws corner of mouth upward and laterally
Buccinator
o Origin: Posterior parts of maxilla, mandible and pterygomandibuar raphe
o Insertion: Orbicularis oris and lips
o Action: Presses cheek against teeth
Levator anguli oris
o Origin: Maxilla below infraorbital foramen
o Insertion: Skin at corner of mouth
o Action: Raises corner of mouth, helps form nasolabial furrow
orbicularis oris
o Origin: Maxilla and mandible in midline
o Insertion: Skin around mouth
o Action: Closes lips, Orbicularis oris: protrudes lips
Depressor anguli oris
o Origin: Posterior part of oblique line of mandible
o Insertion: Skin at corner of mouth
o Action: Draws corner of mouth down and laterally
Depressor labii inferioris
o Origin: Anterior part of oblique line of mandible
o Insertion: Lower lip at midline
o Action: Draws lower lip downward and laterally
Mentalis
o Origin: Mandible inferior to incisors
o Insertion: Skin of chin
o Action: Wrinkles skin of chin and protrudes lower lip
What NERVE runs alongside the superficial temporal vessels?
auriculotemporal nerve
Transverse facial artery, location and what does it do?
it supplies the superior part of the cheek region
Retromandibular vein
maxillary vein + superficial temporal vein. REceives venous blood from occipital vein.
External Jugular vein
posterior division of retromandibular vein + posterior auricular vein. DRAINS into suprascapular or subclavian vein.
