Autonomic bitch Flashcards
which are myelinated: pre or post ganglionic nerves
pre
what are the three ways synaptic preganglion fibers can go
1) innervate ganglionic nerve in the same ganglion
2) go up or down sympathetic chain to synapse with a ganglion in a different chain ganglion
3) bypass sympathetic chain and innervate collateral ganglion
what do we call a sympathetic ganglion outside of the sympathetic chain
collateral ganglion
what is special about the adrenal glands innervation
the adrenal gland is innervated by the preganglionic fiber itself
parasympathetic have short or long presynaptic fibers
long
parasympathetic has long or short post synaptic fubers
short
sympathetic have short or long presynaptic fibers
short
sympathetic have short or long postsynaptic fibers
long
what neurotransmitter does the sympathetic NS release from the postsynaptic fibers
norepinepherine
where are the sympathetic neruson in the spine
between T1 and L2
what horn does the sympathetic neurons reside in
lateral horn
what nervous system involves the E activites
sympathetic
what nervous system involves the D activites
parasympathetic
what nerve hosts the really long preganglionic fiber in parasympathetic NS
Vagus 10
what four cranial nerves have to do with the parasympathetic division
Occulomotor 3
Facial 7
Glossopharyngeal 9
Vagus 10
ACh effect, excitatory or inhibitory in somatic NS
excitatory
what dictates whether its excitatory or inhibatory in the autonomic NS
the type of receptors
ACh effect, excitatory or inhibitory in autonomic NS
either, depends on the receptors
what is the name for the parasympathetic postganglionic ACh-releasing fibers
cholinergic fibers
what is the name for the parasympathetic postganglionic NE-releasing fibers
adrenergic
what two type of cholingeric receptors bind AcH
nicotinic
muscarinic
what is the effect of ACh binding to nicotonic receptors
stimulatory
what 3 locations are nicotinic receptors found
motor end plates
all ganglionic neurons of both autonomic division
hormone producing cells of adrenal medulla
what is the effect of ACh binding to muscarinic receptors
either
where do muscarinic receptors occur
all effector cells innervated by postganglionic cholinergic fibers
what three locations does ONLY the sympathetic division innervate
skin
adrenal gland
blood vessels
what is another word for the sympathetic tone
vasomotor tone
what part of the brain controls cardiac and vasomotory activity
medulla
what is the master controller of the ANS
hypothalamus
