Autonomic 2 Flashcards
Somatic
Ach
N1
Sympathetic
Pregang- Ach N2
Postgang- NE smooth muscle and glands a and b
Ach for Muscarinic sweat glands
Parasympathetic
Pregang Ach N2
postgang Ach M
Adrenal Medulla
Ach N2
Epi and NE
N1 nicotinic Ach antagonist
d-tubocurarine
N2 nicotinic Ach antagonist
hexa-methonium
M1/M3/M5 muscarinic Ach antagonist and second messenger
Atropine
PLC/IP3 and DAG
M2/M4 muscarinic Ach antagonist and second messenger
Atropine
Decrease cAMP
a1 adrenergic agonists
NE- phenylephrine
a1 antagonist
phentolamine
a1 linked enzyme and second messenger
PLC
IP3 and DAG
a2 agonist
NE clonidine
a2 antagonist
yohimbine
a2 second messenger
decrease cAMP
B1 agonist
epi- dobutamine
B1 antagonist
propranolol and metoprolol
B1 second messenger
increased cAMP
B2 agonist
Epi- terbutaline
B2 antagonist
Butoxamine
B2 second messenger
increased cAMP
Heart
B1
Skin constricting
a1
Skeletal muscle dilating
B2
Skeletal muscle constricting vasoconstriction
a1
Bronchioles dilating
B2
GI walls relax
a2 B2
Sphincters contracts
a1
increased saliva
B1
Bladder wall relaxes
B2
Ejaculation
a
Dilating pupils
a1
ciliary muscles dilate
B
Sweat glands termoregularory
Muscarinic!!!