Autonomic Physiology 1 Flashcards
Define the autonomic nervous system
Exists to control the things you don’t want to think about.
What is the autonomic nervous system a part of?
The peripheral nervous system.
The somatic nervous system has ______ neuron which goes straight to the skeletal muscle. The autonomic nervous system is split into ______ and ______. It has axons from the spinal cord which ______ halfway along.
One, sympathetic, parasympathetic, breaks.
Give 3 features of the somatic nervous system.
Specialised
Ionotropic
Excites target
Give 3 features of the autonomic nervous system.
Less specialised
Metabotropic
Excites/Inhibits target.
Where does the sympathetic nervous system exit from?
Thoracic T1-T12 and Lumbar L1-L2
Where does the parasympathetic nervous system exit from?
Cranial III, VII, IX, X and Sacral S2-S4
Where does the ganglia lie in the sympathetic nervous system?
Close to spinal cord in the sympathetic trunk.
Where does the ganglia lie in the parasympathetic nervous system?
Near to or inside the target.
White ramus is ______ fibre and grey ramus is ______ fibres.
Preganglionic, postganglionic
Acetylcholine acts on cholinergic receptors ______ and ______.
Nicotinic, muscarinic
Noradrenaline acts on adrenergic receptors ______ and ______.
Alpha, beta.
Describe the patterns of sympathetic nervous system neurons.
ACH -> Nicotinic
NA -> alpha or beta
Noradrenaline -> blood.
Describe the patterns of parasympathetic nervous system.
ACH -> Nicotinic
ACH -> muscarinic
