Cranial Fossa

Front 1

A

B

C

Back 1

Frontal Crest

Foramen Cecum

Foramina of Cribriform Plate

Front 2

D

E

F

Back 2

Body of Sphenoid

Enterior Clinoid Process

Lesser Wing

Front 3

G

H

I

Back 3

Cribriform Plate

Orbital part of Frontal Bone

Crista Galli

Front 4

A

B

C

Back 4

Tuberculum Sellae

Chiasmatic Sulcus

Middle Clinoid Process

Front 5

D

E

F

Back 5

Optic Canal

Foramen Rotundum

Superior Orbital Fissure

Front 6

G

H

I

Back 6

Greater Wing

Opening of Carotid Canal

Groove for middle Meningeal Artery

Front 7

J

K

L

Back 7

Foramen Spinosum

Foramen Ovale

Foramen Lacerum

Front 8

M

N

O

Back 8

Dorsum Sellae

Trigeminal Impression

Groove and Hiatus for Greater Petrosal nerve

Front 9

P

Q

R

Back 9

Arcuate Emminence

Tegmen Tympani

Groove and Hiatus for Lesser Petrosal nerve

Front 10

S

T

Back 10

Posterior Clinoid Process

Hypophysial Fossa

Front 11

A

B

C

Back 11

Groove for Sigmoid Sinus

Superior Border of Petrous Part

Groove for inferior Petrosal Sinus

Front 12

D

E

F

Back 12

Clivus

Jugular Tubercle

Internal Acoustic Meatus

Front 13

G

H

I

Back 13

Jugular Foramen

Hypoglossal Canal

Foramen Magnum

Front 14

J

K

L

Back 14

Internal Occipital Protuberance

Internal Occipital Crest

Groove for Transverse Sinus