Chapter 3: Neuroanatomy Pt 1

Question 1

Forebrain subdivisions

Answer 1

Telencephalon

Diencephalon

Question 2

Forebrain principle structures

Answer 2

Telencephalon 
-Cerebral cortex 
-Basal ganglia 
-Limbic system 
Diencephalon 
-thalamus
-hypothalamus

Question 3

Midbrain

Answer 3

Ventricle: Cerebral aqueduct
Subdivision: mesencephalon
Principle structures:
Reticular formation

Question 4

Hindbrain

Answer 4

Fourth ventricle 
Subdivision: 
metencephalon 
Myelencephalon
Principle structures:
Cerebellum 
Pons 
Medulla oblongata

Question 5

Telencephalon

Answer 5

Cerebral hemispheres

Subcortical region

Question 6

Cerebral hemispheres

Answer 6

Two major portions of the forebrain (left and right)

-covered by the cerebral cortex

Question 7

Subcortical region

Answer 7

Region beneath the cerebral cortex

-contains limbic system and basal ganglia

Question 8

Cerebral cortex

Answer 8

Outmost layer of the cerebral hemispheres
About 3mm thick
Two hemispheres connected by the corpus callosum
(Cortex means bark)
Has convolutions

Question 9

Sulcus

Answer 9

Groove in the surface of the brain smaller than a fissure

Question 10

Fissure

Answer 10

Major groove in brain surface

Question 11

Gyrus

Answer 11

Ridge in surface of brain

Question 12

Frontal lobe

Answer 12

Anterior portion of the cerebral cortex rostral to the parietal lobe and dorsal to the temporal lobe. Includes everything in front of the central sulcus

• prefrontal cortex
• motor cortex

Question 13

Prefrontal cortex

Answer 13

Involved in executive functions

Planning reasoning

Question 14

Motor cortex

Answer 14

Controls muscles of the body

Question 15

Forebrain ventricles

Answer 15

Lateral

Third