Bones of the Skull In Depth

A

foramen magnum; medulla oblongata, accessory nerve, vertebral arteries

B

occipital condyle

D

condylar fossa

E

inferior nuchal line

F

external occipital crest

G

superior nuchal line

H

external occipital protuberance

J

jugular notch; glossopharyngeal, vagus, + accessory nerves, internal jugular vein

K

groove for sigmoid sinus

L

hypoglossal canal; hypoglossal nerve

M

fossa for cerebellum

N

internal occipital crest

O

fossa for cerebrum

P

internal occipital protuberance

A

sagittal suture

B

parietal eminence

C

superior temporal line

D

inferior temporal line

E

squamous suture

A

frontal suture

B

superior temporal line

C

superciliary arch

D

supra-orbital margin

E

supra-orbital notch

F

supra-orbital foramen

H

frontal air cells

J

lacrimal fossa

K

orbital part

B

mastoid process

C

styloid process

D

mandibular fossa

E

articulate tubercle

F

zygomatic process

H

tympanic part

I

mastoid cells

K

articular tubercle

L

mandibular fossa

O

mastoid foramen; vessels to membranes around CNS

P

stylomastoid foramen; facial nerve

Q

jugular fossa

R

carotid canal; internal carotid artery

T

squamous part

U

petrous part

W

internal acoustic meatus; vestibulocochlear + facial nerves, internal acoustic artery

B

superior orbital fissure; oculomotor, trochlear, ophthalmic, + abducens nerves, ophthalmic vein

C

optic canal; optic nerve, ophthalmic artery

D

optic groove

E

anterior clinoid process

F

lesser wing

G

greater wing

H

foramen ovale; mandibular nerve

I

posterior clinoid process

J

foramen spinosum; vessels to membranes around CNS

K

sella turcica

L

dorsum sellae

M

sphenoidal spine

B

sphenoidal sinus

C

pterygoid canal

F

foramen rotundum

G

lateral pterygoid plate

H

medial pterygoid plate

I

pterygoid process

foramen made w/ sphenoid, temporal, + occipital bones

foramen lacerum; vessels to membranes around CNS, internal carotid artery, auditory tube

fissure made w/ sphenoid, maxilla, + zygomatic bones

inferior orbital fissure; maxillary nerve

A

ethmoidal labyrinth

B

cribriform foramina; olfactory nerve

C

cribriform plate

D

crista galli

E

perpendicular plate

F

middle nasal concha

G

superior nasal concha

B

frontal process

C

lacrimal groove

D

orbital surface

E

infra-orbital foramen

F

maxillary sinus

G

anterior nasal spine

H

incisive canal

I

palatine process

J

alveolar process

N

incisive canals

O

hard palate

B

perpendicular plate

C

conchal crest

D

horizontal plate

F

nasal crest

E

ethmoidal crest

canal made w/ lacrimal and maxilla bones

nasolacrimal canal

foramen on anterior surface of zygomatic bone

zygomaticofacial foramen; zygomaticofacial nerve

C

mylohyoid line

D

coronoid process

E

condylar process

F

mandibular notch

G

ramus

H

angle