Lab #10: Central Nervous System

Question 1

The brain is a complex mass of ____, _____, and _____ tissue

Answer 1

nerve, connective, and epithelial tissue

Question 2

The brain can be divided into 4 anatomic and functional regions:

Answer 2

• the cerebrum
• the diencephalon
• the cerebellum
• the brainstem

Question 3

Ventricles are filled with ____, which is derived from the _____.

Answer 3

filled with cerebrospinal fluid (CSF), derived from plasma

Question 4

Ventricles serve to protect the brain by…

Answer 4

allowing it to float in the insulating fluid of the CSF

Question 5

The brain and spina cord are surrounded by a set of three membranes, known as the _____.

Answer 5

meninges

Question 6

Meninges 3 layers

Answer 6

• dura mater
• arachnoid mater
• pia mater

Question 7

Cerebrum

Answer 7

• Frontal lobe and central sulcus
• Parietal lobe and Pareto-occipital sulcus
• Temporal bone and lateral sulcus
• Insula
• Occipital bone
• Corpus callosum
• Basal nuclei

Question 8

Diencephalon

Answer 8

• Thalamus
• Hypothalamus
• Epithalamus

Question 9

Cerebellum

Answer 9

-Cerebellar cortex

Question 10

Brainstem

Answer 10

• Pons
• Midbrain
• Medulla oblongata

Question 11

Ventricles

Answer 11

• Lateral ventricles
• Third ventricle
• Fourth ventricle
• Central canal

Question 12

The medulla oblongata becomes the spinal cord after passing through the _______ _______.

Answer 12

Foramen magnum

Question 13

Cauda equina

Answer 13

the bundle of nerve roots that resemble a horse’s tail at the bottom of the vertebral column

Question 14

Epidural space

Answer 14

The space between the dura and the spinal column