Structure Of The Brain

Question 1

Neuron

Answer 1

Structural unit of the nervous system

Question 2

Central nervous system components

Answer 2

Brain

Spinal cord

Question 3

Peripheral Nervous System components

Answer 3

Everything not in the CNS

Question 4

Nucleus

Answer 4

Collection of cell bodies inside the CNS

Question 5

Ganglion

Answer 5

Collection of cell bodies outside the CNS

Question 6

Nerve

Answer 6

Connection of axons

Question 7

Tract

Answer 7

Collection of nerve fibers sharing a common function

Question 8

Gray matter brain

Answer 8

Location of cell bodies inside the CNS “superficial”

Question 9

White matter brain

Answer 9

Location of myelinated axons inside the CNS “deep”

Question 10

Association tracts

Answer 10

Connect same hemisphere

Question 11

Commissural tracts

Answer 11

Connect opposite hemispheres

Cross via corpus collosum

Question 12

Projection tracts

Answer 12

Project to lower regions of brain and spinal cord

Question 13

Commissural tract that connects left and right cerebral hemisphere

Answer 13

Corpus callosum

Question 14

Fronts lobe

Answer 14

Personality, primary motor cortex, and memory

Question 15

Parietal lobe

Answer 15

Primary sensory cortex

Question 16

Temporal lobe

Answer 16

Primary auditory cortex

Question 17

Occipital

Answer 17

Primary visual cortex

Question 18

Fissure

Answer 18

Deep groves

Question 19

Name two fissures

Answer 19

Longitudinal

Transverse

Question 20

Gyrus

Answer 20

Ridge

Question 21

Two examples of gyrus

Answer 21

Precentral gyrus

Postcentral gyrus

Question 22

Sulcus

Answer 22

Shallow grove

Question 23

Name two examples of sulcus

Answer 23

Central sulcus

Lateral sulcus

Question 24

Role of thalamus

Answer 24

Wants to receive, group, and relay the sensory info to the cerebrum

Question 25

Role of hypothalamus

Answer 25

Command center for the endocrine system and tells pituitary gland what to do

Question 26

Role of epithalamus

Answer 26

Pineal gland produces melatonin low production of melatonin can lead to seasonal affective disorder

Question 27

Basal nuclei

Answer 27

Paired irregular masses of gray matter buried deep within the central white matter in the cerebral hemisphere

Question 28

Function of cerebellum

Answer 28

Body posture Balance Fine coordination Maintains movement

Question 29

Midbrain

Answer 29

Relay station for visual and auditory information

Question 30

Pons

Answer 30

Communication and coordination for spinal cord and various portions of the brain

Question 31

Medulla oblongata

Answer 31

Controls autonomic functions | ie. breathing, heart rate

Question 32

Cortex

Answer 32

Neurons with similar structure coming together to perform a function

Question 33

Longitudinal fissure

Answer 33

Between left and right hemispheres if cerebrum

Question 34

Transverse fissure

Answer 34

Between cerebrum and cerebellum

Question 35

Central sulcus

Answer 35

Located between precentral gyrus and postcentral gyrus

Question 36

Lateral sulcus

Answer 36

Separates the temporal lobe from the frontal and parietal lobes

Question 37

Precentral gyrus

Answer 37

Primary motor cortex

Question 38

Postcentral gyrus

Answer 38

Primary sensory cortex

Question 39

What are the three paired structures of diencephalon

Answer 39

Thalamus Hypothalamus Epithalamus

Question 40

Thalamus

Answer 40

Wants to receive, group, and relay the sensory information to the cerebrum

Question 41

Hypothalamus

Answer 41

Is the command center for the endocrine system and tells the pituitary gland what to do

Question 42

Pineal gland

Answer 42

Produces melotonin