Autonomic System Flashcards
Functions w___ conscious awareness
Without
Fibres do/don’t synapse once at ganglion after leaving CNS
Do
Innervates ___ muscle, c___ muscle and g——
Smooth
Cardiac
Glands
Functions of the autonomic nervous system
Thermorégulation, exercice, digestion, compétition, sexual function
Components of ANS (outputs)
Parasympathetic (cranial and sacral outflow)
Sympathetic
Enteric NS
Parasympathetic “hitches a ride” in cranial nerves
3,7,9,10
(Think 1973, year mum was born)
Sympathetic pathway
White and grey rami communicantes, sympathetic chain
Splanchnic nerves to large thoracic-abdominal plexi
Parasympathetic outflow cell body location
In cranial nerve nuclei in the Brian stem (CN 3,7,9,10)
Enteric system can work ___ from ANS
Independently
What is the neurotransmitter and post- synaptic receptor in both parasympathetic and sympathetic systems for the preganglionic neuron
Acetylcholine and nicotinic receptors
What is the neurotransmitter and post-synaptic receptor in the postganglionic neuron for the sympathetic system?
NE (Norepinephrine AKA noradrenaline) and adrenergic receptors
What is the neurotransmitter and post-synaptic receptor in the postganglionic neuron for the parasympathetic system?
Acetylcholine and muscarinic receptors
Subtypes of noradrenaline
Alpha 1, alpha 2
Beta 1,2,3
Why is it significant that different tissues have different adrenergic receptors and cause different effects
meds can target specific tissues
What inputs to the ANS
The carotid receptors
