Skull Videos

Which foramina lie along sagittal suture and go from scalp to the superior sagittal sinus

emmissary veins

Suture between temporal and parietal bone

coronal suture

suture between parietal bones

sagittal sutures

Impression along lateral wall of skull indicates what

middle meningeal artery

what is a V3 terminal branch of inferior alveolar nerve?

mental nerve

Travels along deep aspect of mandible and attaches mylohyoid

mylohoyid line

Located on deep posterior aspect of mandible. What does superior genio tubercle attach

what does inferior geniotubercle attach

superior - genioglossus

inferior - geniohyoid (C1 via 12)

Most inferior portion of mandible located on the caudal side of the mandible. Depressions

Digastric fossa attaches digastric muscles

Where temporal bone articulates with parietal, frontal, and sphenoid bones is called the what

pterion - weakest portion of skull

trauma to pterion could cause what

bleeding of middle meningeal artery - epidrual hemmoraghe

two componets of bony nasal septum

what can you see anteriorly

anteriorly - perpendicular plate of ethmoid bone

Bony process on lateral sides of walls of septum - most inferior in nose

inferior nasal conchae

Bony process on lateral side of walls of septum - above the most inferior

middle nasal conahe

The superior and middle nasal conchae are part of what bone

ethmoid bone

The inferior nasal conchae are part of what bone

own independent bone

lateral to nasal cavity is what foramen below orbit

infraoribtal foramen - infraorbital nerves and zygomaticotemproal (V2)

Nasal bone articulate with frontal bone

nasion

What region is above nasion

region of frontal bone called glabella

does supratrochlear and supraoribtal come out the same foramen?

no

superior orbital fissure

inferior orbital fissure

What canal lies meidally to superior oribtal fissure

optic canal

what divides the anterior and middle cranial fossa

lesser wing of sphenoid

frontal lobes of brain reisde

anterior cranial fossa

middle and posterior cranial fossa are divided by what

petrous ridge of temporal

squamos portion of temporal bone

lateral aspect of skull

temporal lobe resides in what cranial fossa

middle

what resides in posterior cranial fossa

cerebellum

The posterior cranial fossa is separated from the middle and anterior cranial fossa by what structure

tentorium cerebelli

cloeses off posterior cranial fossa except region which midbrain passes through

tentorium cerbelli

crista galli

what dural fold attaches to crista galli

falx cerebri

Where do fillia olfactoria transmit from nasal mucous to reach olfactory bulb

cribiform plate of ethmoid bone

clinoid processes come off what bone

sphenoid bone

anterior clinoid process are anterior compartment of what

4 part section of diaphragma sella

diaphrama sella drapes over what

sella tursica

Sight where pituitary gland lives in hypophyseal fossa

sella tursica

Dorsum sella

posterior wall of sella tursica

The dorsum sella is continous with what bony structure

clivus

clivus

the superior orbital fissure lies in what cranial fossa

middle

what foramen lies just lateral and inferior to superior oribttal fissure

foramen rotundrum

Superior orbital fissure

CN 3, 4, V1, 6

foramen rotundrum transmits what

V2 to pterygopalatine fossa

Foramen ovale transmits

V3 out of cranial cavity to ITF

Does ICA go through the foramen lacerum?

Where does it travel?

ICA travels horizontal courses through petrous ridge of tmeporal bone and vertically through cavernous sinus along lateral aspect of sella tursica

Once ICA emerges from diaphragma sella what is it renamed

true cerebral

rise to anterior cerebral and middle cerebral arteries

what cavernous sinus runs along lesser wing of sphenoid and feeds into cavernous sinus

sphenoparietal sinus

two ways venous blood exits cavernous sinus

along petrous ridge of temporal bone - superior petrosal sinus - meets transverse sinus where it becomes sigmoid

inferior runs below petrous ridge of temporal bone to meet sigmoid sinus as it becomes internal jugular vein

Where does greater palatine nerve carrying parasymp to pterygopalatine ganglian exit

foramen rotundrum

lesser petrosal nerves travel along where

floor of middle cranial fossa to exit foramen ovale

carry parasymp to otic ganglion to supply parotid gland

anterior clinoid process

hypophyseal fossa

posterior clinoid process

posterior clinoid process

what comese out supraorbital notch

supratroclear nerve (medial)

pterygoid hamulus

vomer

incisive foramen

nasopalatine nerve (V2)

Greater palatine foramen

lesser palatine foramen

carotid canal