Ch. 2 - Surface Anatomy Of Brain

Question 1

What are the 5 major subdivisions of the brain?

Answer 1

1. Telencephalon
2. Diencephalon
3. Mesencephalon
4. Metencephalon
5. Myelencephalon

Question 2

The telencephalon becomes the _________

Answer 2

Cerebral hemispheres

Question 3

What 5 structures are included in the diencephalon?

Answer 3

1. Thalamus
2. Hypothalamus
3. Subthalamus
4. Epithalamus
5. Optic Nerves

Question 4

What 3 structures make up the mesencephalon?

Answer 4

1. Basal crus cerebri
2. Tegmentum
3. Tectum

Question 5

What 2 structures make up the metencephalon?

Answer 5

1. Pons

2. Cerebellum

Question 6

What makes up the myelencephalon?

Answer 6

Medulla oblongata

Question 7

What 2 structures make up the cerebrum?

Answer 7

1. Cerebral hemispheres

2. Diencephalon

Question 8

What structure is supratentorial?

Answer 8

Cerebrum (I.e. cerebral hemisphere & diencephalon)

Question 9

What 3 structures makes up the brain stem?

Answer 9

1. Midbrain
2. Pons
3. Medulla

Question 10

What cranial nerves come off the brain stem?

Answer 10

III - XII

Question 11

The cerebral cortex gray, white matter, corpus striatum, corpus callous, anterior commissure, and amygdala are all part of what?

Answer 11

The cerebral hemispheres

Question 12

Are sulci, fissures, and gyri gray or white matter?

Answer 12

Gray

Question 13

Slit like grooves which marks the surface of the brain (not always consistent)

Answer 13

Sulcus

Question 14

Larger, particularly deep and constant sulcus

Answer 14

Fissure

Question 15

Raised row btw two sulci

Answer 15

Gyrus

Question 16

Midline “interhemispheric” separates one hemisphere from the other

Answer 16

Longitudinal fissure

Question 17

On lateral surface, extends posterior-sup form the basal surface

Answer 17

Lateral fissure of Sylvius

Question 18

Vertical fissure separates frontal from parietal lobe

Answer 18

Central fissure of Rolando

Question 19

What are the 6 lobes in the cerebrum?

Answer 19

1. Frontal lobe
2. Parietal lobe
3. Occipital lobe
4. Temporal lobe
5. Central (insula) lobe
6. Lambic lobe

Question 20

Above lateral sulcus, anterior to the central sulcus

Answer 20

Frontal lobe

Question 21

Above lateral sulcus, posterior to central sulcus, anterior to imaginary line

Answer 21

Parietal lobe

Question 22

Posterior to imaginary line, the most posterior part of the cerebrum

Answer 22

Occipital lobe

Question 23

Anterior to imaginary line, below the lateral sulcus

Answer 23

Temporal lobe

Question 24

Deep cortex, concealed btw superior temporal lobe and inferior temporal lobe

Answer 24

Central (insular) lobe

Question 25

Cortex seen in midline view, encircling the diencephalon

Answer 25

Limbic lobe

Question 26

Massive commissure connecting R and L hemispheres

Answer 26

Corpus callosum

Question 27

Small circular commissure connecting R and L hemispheres (Best seen in midline sagittal section or half brain)

Answer 27

Anterior commissure

Question 28

Several groups of sub cortical nuclei

Answer 28

Basal Ganglia

Question 29

What nucleus is —> Paired, lateral to the lateral ventricle

Answer 29

Caudate nucleus

Question 30

The lenticular nucleus includes what 2 structures?

Answer 30

1. Putamen | 2. Globes Pallidus

Question 31

What 2 structures make up the striatum?

Answer 31

1. Putamen | 2. Caudate

Question 32

What 2 structures make up the corpus striatum?

Answer 32

1. Caudate | 2. Lenticular (lentiform)

Question 33

What nucleus is located within the ventral thalamus?

Answer 33

Subthalamic nucleus

Question 34

Where is the substantial nigra located?

Answer 34

Within the midbrain

Question 35

The internal capsule is a massive bundle of nerve fibers connecting what?

Answer 35

1. Subcortical nuclei to the cerebral cortex | 2. Cerebral cortex to subcortical cerebrum, brain stem, and spinal cord

Question 36

What is btw the caudate nucleus and the lenticular nucleus?

Answer 36

Anterior limb (caudatolenticular) of internal capsule

Question 37

What is the portion btw the anterior and posterior limb /c an “elbow” bend

Answer 37

Genu of internal capsule

Question 38

What is located btw the thalamus and lenticular nucleus?

Answer 38

Posterior limb of internal capsule (thalamolenticular)

Question 39

What forms the roof of the diencephalon?

Answer 39

Epithalamus

Question 40

What structure is ventral to the thalamus, close to the midline?

Answer 40

Hypothalamus

Question 41

What structure is lateral to the hypothalamus?

Answer 41

Subthalamus

Question 42

What 2 structures make up the midbrain?

Answer 42

1. Tectum | 2. Tegmentum

Question 43

What structure is part of the midbrain and is dorsal to the aqueduct of sylvius?

Answer 43

Tectum

Question 44

The superior and inferior collicli make up what structure?

Answer 44

Tectum

Question 45

What structure is made up of nuclei and pathways ventral to the aqueduct of Sylvius and 4th ventricle?

Answer 45

Tegmentum

Question 46

What structure is highly convoluted and is dorsal to the 4th ventricle, attached to the pons?

Answer 46

Cerebellum