Occipital Bone

Question 1

Protrusion on the posterior aspect of the occipital bone at the site of the confluence of sinuses, which lies on the internal surface of the bone

Answer 1

External occipital protuberance

Question 2

Articulate with cervical vertebrae (C1) that allows the head to move up and down

Answer 2

Occipital condyles

Question 3

Large opening where the spinal cord exits the cranial cavity

Answer 3

Foramen magnum

Question 4

Through the foramen magnum ______ & _____ & ______ exit the skull

Answer 4

Medulla oblongata
Vagus Nerve (CN X)
Internal jugular vein

Question 5

Through the foramen magnum _______ & ______ enter the skull

Answer 5

Spinal accessory nerve (CN XI)

Vertebral arteries

Question 6

Vertebral arteries enter skull through

Answer 6

Foramen magnum

Question 7

Spinal accessory nerve ( CN XI) enters skull through

Answer 7

Foramen magnum

Question 8

Small indentation in the occipital bone that makes up the jugular foramen when paired with the jugular notch of the temporal bone

Answer 8

Jugular notch

Question 9

Small indentation on the internal surface of the occipital bone over which the confluence of sinuses lies

Answer 9

Internal Occipital protuberance

Question 10

T/F: Sagittal sulcus continues to communicate with the internal occipital protuberance

Answer 10

True

Question 11

Cross-like feature on the internal aspect of occipital bone where the two transverse sulci and the sagittal sulcus meet at the confluence sinuses

Answer 11

Cruciform eminence

Question 12

Allows hypoglossal nerve (CN XII) to exit the cranial cavity

Answer 12

Hypoglossal canal

Question 13

Indentation in the occipital bone where the occipital lobe lies

Answer 13

Cerebral Fossa

Question 14

Indentation in the occipital bone where the cerebellar lobe lies

Answer 14

Cerebellar fossa

Question 15

4 articulations of the occipital bone

Answer 15

Parietals
Temporals
Sphenoid
C1

Question 16

Bridges occipital bone with sphenoid bone

Answer 16

Basilar synchondrosis