Skull

Question 1

Two groups of bones of the skull and their general inclusions?

Answer 1

1. Viscerocranium = bones of the face

2. Neurocranium= bones surrounding the brain

Question 2

Name the 3 fossa of the neurocranium and which parts of the brain they contain

Answer 2

Anterior fossa- frontal lobes
Middle cranial fossa- temporal lobes
Posterior cranial fossa- brainstem and cerebellum

Question 3

Middle cranial fossa has a subfossa. What is it called and what does it contain

Answer 3

Hypophysial fossa- pituitary gland

Question 4

Name the 6 bones of the cranium

Answer 4

Occipital, parietal, temporal, frontal, sphenoid, and ethmoid

Question 5

What are sutures

Answer 5

Connect the cranial bones

Question 6

Name the major sutures and their location

Answer 6

1. Coronal= between frontal and parietal bones
2. Squamous= between temporal and parietal
3. Lambdoid= between occipital and parietal
4. Sphenosquamous= between sphenoid and temporal
5. Sphenofrontal= between sphenoid and frontal
6. Sphenoparietal= between sphenoid and parietal
7. Sagittal= joins with lambdoid (lamboid runs more horizontal, sagittal runs more vertical along top of head to back)

Question 7

Name the 8 bones of the viscerocranium

Answer 7

Maxilla, zygomatic, palatine, vomer, nasal, lacrimal, mandible, and inferior nasal concha

Question 8

Cribiform plate is innervated by? - internal view

Answer 8

CN I

Question 9

What is the significance of the foramen lacerum

Answer 9

Cartoid artery runs on top of it

Question 10

Optic canal

1. Nerve?
2. Vessel?

Answer 10

1. CN II

2. Ophthalmic artery

Question 11

Superior orbital fissure

1. Nerves?
2. Vessel?

Answer 11

1. CN III, IV, V, and VI

2. Superior ophthalmic vein

Question 12

Foreamen ovale

Nerve?

Answer 12

CN V3

Question 13

Foramen spinosum

1. Nerve?
2. Vessel?

Answer 13

1. Meningeal branch of CN V3

2. Middle meningeal artery

Question 14

Internal auditory meatus

1. Nerves?

Answer 14

1. CN VII, CN VIII

Question 15

Jugular foramen

1. Nerves
2. Vessel

Answer 15

1. CN IX, CN X, CN XI

2. Internal jugular vein

Question 16

Foramen magnum-internal view

1. Nerves
2. Vessels

Answer 16

1. Spinal cord, CN XI

2. Vertebral arteries

Question 17

Incisive foramen

1. Nerve
2. Vessel

Answer 17

1. Nasopalatine nerve (from CN V3)

2. Nasopalatine artery

Question 18

Palatine foramina

1. Nerve
2. Vessel

Answer 18

1. Palatine nerve

2. Palatine artery

Question 19

Pterygoid canal

1. Nerve

Answer 19

1. Nerve of the pterygoid canal

Question 20

Carotid canal

1. Nerves
2. Vessel

Answer 20

1. Sympathetic plexus

2. Internal carotid artery

Question 21

Stylomastoid foramen

1. Nerve
2. Vessels

Answer 21

1. CN VII

2. Stylomastoid artery and vein

Question 22

Hypoglossal canal

1. Nerve

Answer 22

1. CN XII

Question 23

Condylar canal

1. Vessel

Answer 23

1. Condylar emissary vein