Interval 12: Skull And Cranial Nerves

Front 1

Back 1

1. frontal bone
2. parietal bone
3. temporal bone
4. sphenoid bone
5. zygomatic bone
6. maxilla
7. nasal bone
8. lacrimal bone
9. vomer

Front 2

Back 2

1. vomer
2. ethmoidal bone
3. medial and lateral pterygoid plates

Front 3

Back 3

1. sella turcica
2. petrous ridge

Front 4

Back 4

1. pterygoid hamulus
2. styloid process
3. mastoid process
4. external occipital protuberance

Front 5

Back 5

1. coronal suture
2. bregma
3. sagittal suture
4. lambda
5. lambdoidal suture

Front 6

Back 6

1. pterion

Front 7

Back 7

1. foramen cecum (emissary vein to superior sagittal sinus)
2. foramina of cribriform plate (CN I)
3. anterior cranial fossa
4. optic canal (CN II)
5. middle cranial fossa
6. superior orbital fissure (CN III, IV, V1, VI)
7. foramen rotundum (V2)

Front 8

Back 8

1. foramen ovale (V3)
2. foramen spinosum (middle meningeal artery)
3. foramen lacerum
4. carotid canal (internal carotid artery)
5. hiatus for greater petrosal nerve

Front 9

Back 9

1. posterior cranial fossa
2. internal accoustic meatus (CN VII and CN VIII)
3. jugular foramen (internal jugular vein, CNs IX / X / XI)
4. hypoglossal canal (CN XII)
5. foramen magnum

Front 10

Back 10

1. carotid canal
2. groove for auditory (Eustachian) tube
3. petrotympanic fissure (chorda tympani of CN VII)
4. stylomastoid foramen (CN VII)
5. external auditory meatus
6. incisive foramen
7. greater palatine foramen
8. lesser palatine foramen

Front 11

Back 11

1. pterygomaxillary fissure

Front 12

Back 12

1. falx cerebri
2. tentorium cerebelli
3. falx cerebelli
4. diaphragma sellae (dura mater around pituitary gland)

Front 13

Back 13

1. superior sagittal sinus
2. inferior sagittal sinus
3. straight sinus
4. confluence of sinuses
5. transverse sinus
6. sigmoid sinus
7. superior petrosal sinus
8. cavernous sinus
9. internal carotid artery
10. middle meningeal artery
11. vertebral artery

Front 14

Back 14

1. levator palpebrae superioris
2. superior oblique
3. superior rectus
4. medial rectus
5. lateral rectus
6. inferior rectus
7. inferior oblique

Front 15

Back 15

1. optic nerve
2. oculomotor nerve
3. trochlear nerve
4. abducens
5. frontal nerve
6. supratrochlear nerve
7. supraorbital nerve
8. lacrimal nerve
9. lacrimal gland

Front 16

Back 16

1. nasociliary nerve
2. ciliary ganglion