Papers

ADRENERGIC AGONISTS & ANTAGONISTS

I

243

Eye

gt

p

Contraction of radial muscle (mydriasis) Ciliary muscle relaxation (far vision)

Salivary

glands

0t,

Fz

l

secretion

Superior

cervical ganglion

Heart

Fr

l

t

heart rate conduction velocity

I contractility

c1

2 3

4

5 6

Middle cervical ganglion Lower cervical ganglion

Lungs

([1 Fz

Bronchoconstriction Bronchodilation

7

8

T1

2

3 4 5 6

Pancreas

dl

Fz

J insulin secretion

t

insulin secretion

! n

7

8

Upper Gl tract

([1

Fz

I

11

Sphincter contraction Decreased tone and motility

10

12

Liver

l

0t,

9z

Fs

L1

2 3 4 5

Glycogenolysis and gluconeogenesis Unknown

Gallbladder Abdominal blood vessels

c[l

Fz

Conshiction

Dilation

s't

2

lnferior

mesenteric ganglion

3

4

5 Sympathetic chain 'Ee 12-1

Bladder

d.l

9z

Sphincter contraction Detrusor relaxation

'

':r'J"T::If*[:P'l nervous thoracoabdoirinal clt -13) spinal cord, in'contrast :'he of the parasvmpathetic

k ganglion to the visceral structures.

system. nnotrer

The sympathetic nervous system. organ innervation, receptor type, and response to stimulation. The

distribuanaiori;;jffi;;il;";a;;:jffi::Tff1.T:'r}il:j

to the craniosacrar

RENOCEPTOR PHYSIOLOGY

term. adrenergic originally referred ro the effects rnephrrne (adrenaline), as opposed to the cholin_ eftects. of acerylcholine. k'is now known

thar rmephrine (noradrena[ine) is rhe neurotransmit_

fibers at end-orga1 tirs,r.s

ter responsible for mosr of the adrenergic activiry of rhe sympatheric nervous sysrem. !7ith ihe exceprion ot.eccrine sweat glands and some blood vessels,'nor_ eprnephrine is released by posrganglionic sympathetic

as was explained

in

Chapter 10, acetylcholine

iHgi. r'lz_li. i'rr'.'oiir.r,,

is