Lab 8

Question 1

Mandibular

Bone of Passage and Contents

Answer 1

Bone of Passage: Dentary.

Contents: Mandibular Nerve (V3).

Question 2

Mental

Bone of Passage and Contents

Answer 2

Bone of Passage: Dentary.

Contents: Mental Nerve (V3).

Question 3

Supraorbital

Bone of Passage and Contents

Answer 3

Bone of Passage: Frontal.

Contents:Supraorbital (V1); Supraorbital artery.

Question 4

Infraorbital

Bone of Passage and Contents

Answer 4

Bone of Passage: Maxilla.

Contents: Infraorbital nerve (V1); Infrorbital artery.

Question 5

Lacrimal

Bone of Passage and Contents

Answer 5

Bone of Passage: Lacrimal.

Contents: Lacrimal canal (tear duct).

Question 6

Optic

Bone of Passage and Contents

Answer 6

Bone of Passage: Sphenoid.

Contents: Optic nerve (II); intrinsic optic arteries and viens.

Question 7

Superior Orbital Fissure

Bone of Passage and Contents

Answer 7

Bone of Passage: Sphenoid.

Contents: Occulomotor nerve (III), Trochlear nerve (IV), Maxillary nerve (V2), abducens nerve (VI); Ophthalmic arteries.

Question 8

Inferior Orbital Fissure

Bone of Passage and Contents

Answer 8

Bone of Passage: Sphenoid.

Contents: Venous return for area served by facial artery.

Question 9

Stylomastoid

Bone of Passage and Contents

Answer 9

Bone of Passage: Temporal.

Contents: Facial nerve (VII)-exciting temporal bone to outside of face.

Question 10

Jugular

Bone of Passage and Contents

Answer 10

Bone of Passage: Between temporal and occipital.
Contents: Jugular vein (exiting skull), Glossopharyngeal nerve (IX), Vagus nerve (X), cranial portion of Accessory nerve (XI)

Question 11

Carotid Canal

Bone of Passage and Contents

Answer 11

Bone of Passage: Temporal.

Contents: Carotid artery (entering skull).

Question 12

Cribiform Plate

Bone of Passage and Contents

Answer 12

Bone of Passage: Ethmoid.

Contents: Olfactory nerve (I).

Question 13

Rotundum

Bone of Passage and Contents

Answer 13

Bone of Passage: Sphenoid.

Contents: Maxillary nerve (V2).

Question 14

Ovale

Bone of Passage and Contents

Answer 14

Bone of Passage: Sphenoid.

Contents: Mandibular nerve (V3).

Question 15

Internal Acoustic Meatus

Bone of Passage and Contents

Answer 15

Bone of Passage: Temporal.

Contents: Facial nerve (VII) and Vestibulocochlear nerve (VIII) entering petrous temporal.

Question 16

Hypoglossal

Bone of Passage and Contents

Answer 16

Bone of Passage: Occipital.

Contents: Hypoglossal nerve (XII).

Question 17

Foramen Magnum

Bone of Passage and Contents

Answer 17

Bone of Passage: Occipital.

Contents: Spinal portion of accessory nerve (XI). Vertebral arteries; spinal cord.