Intro PPT

Question 1

Cell body function

Answer 1

synthesizes & packages

macromolecules

Question 2

Axon terminal function

Answer 2

synaptic transmission

to other neurons

Question 3

Axon function

Answer 3

conducts action potentials

toward other neurons

Question 4

Myelin function

Answer 4

glia covering that

speeds conduction

Question 5

Dendrites function

Answer 5

site of most (but not all)

synaptic inputs

Question 6

Central nervous system (CNS)

Answer 6

Brain and spinal cord

Question 7

Peripheral nervous system (PNS)
sensory ganglia
 providing neurons that 
innervate skin, muscle, joints, tendons
-peripheral 
nerves (sensory, motor)
-autonomic 
(for internal physiology)

Answer 7

sensory ganglia
 providing neurons that 
innervate skin, muscle, joints, tendons
-peripheral 
nerves (sensory, motor)
-autonomic 
(for internal physiology)

Question 8

Neuraxis related

Answer 8

• Relative to middle of neuraxis: ventral, dorsal, lateral, medial
• Relative to length of neuraxis: rostral (toward head; frontal lobe most
  rostral) , caudal (end of spinal cord most caudal)

Question 9

Posture related

Answer 9

-Relative to upright position of animal:
anterior, posterior,
superior, inferior

Question 10

Planes of Section

Answer 10

coronal or frontal
(parallel to long axis of body)
-horizontal (perpendicular to long axis of body); also transverse
-sagittal (mid-sagittal divides brain in symmetrical halves)

Question 11

Prosencephalon (forebrain) parts in development

Answer 11

telencephalon
-
cerebral hemispheres and other forebrain regions
diencephalon
-
thalamus and hypothalamus, pineal gland

Question 12

Mesencephalon (midbrain) parts in development

Answer 12

mesencephalon

Question 13

Rhombencephalon (hindbrain) parts in development

Answer 13

metencephalon
-pons, cerebellum
myelencephalon
-medulla oblongata

Question 14

metencephalon-pons, cerebellum,myelencephalon-medulla oblongata all make up the _____ in development

Answer 14

brain stem

Question 15

Telencephalon( forebrain) components in adulthood

Answer 15

cerebral cortex,
basal ganglia
amygdala, hippocampus

Question 16

Diencephalon components in adulthood

Answer 16

thalamus and hypothalamus

Question 17

Mesencephalon is also called the _____ in adulthood

Answer 17

midbrain

Question 18

Metencephalon components in adulthood

Answer 18

-pons and cerebellum

Question 19

Myelencephalon components in adulthood

Answer 19

-medulla oblongata

Question 20

What three major brain regions make up the brain stem in adulthood

Answer 20

Mesencephalon
-midbrain
Metencephalon
-pons and cerebellum
Myelencephalon
-medulla oblongata

Question 21

In myelinated axons, the propagation is faster, and called what?
.

Answer 21

saltatory conduction