Norepinephrine

Question 1

What are adrenaline and epinephrine?

Answer 1

First, they are the same thing…

Question 2

Adrenaline is a —– produced by—-

Answer 2

is a hormone produced by the adrenal cortex

Question 3

Epinephrine

Answer 3

=adrenergic; also is NT in brain, but “not very important”

Question 4

Norepinephrine =

Answer 4

noradrenergic/noradrenaline

Question 5

Cell bodies of neurons that secrete Ne are located

Answer 5

In several nuclei in the pons and medulla and one in the thalamus

Question 6

Locus coeruleus in pons

Answer 6

Is most important because it’s involved in vigilance and attentiveness to environment

Question 7

What regions of the brain receive input from NE neurons?

Answer 7

Almost every one

Question 8

The synaptic effects are…

Answer 8

excitatory and inhibitory, but generally the bx effects are excitatory - increases vigilance, attentiveness

Question 9

Receptors also in organs of body are…

Answer 9

responsible for the effects of catecholamines when they act as hormones