autonomic nervous system Flashcards
how many motor neurons are included in autonomic motor systems
2
what are the names of the 2 divisions of the ANS
sympathetic and parasympathetic
what is the thoracolumbar division
outflow from thoracic and lumbar segments of spinal cord
what is the sympathetic trunk ganglia
vertical rows on either side of vertebral column
where are parasympathetic neurons
bottom of spinal cord
where is the output for parasympathetic neurons
top-medulla nuclei
what terminals does acetylcholine affect
all preganglionic fiber terminals
parasympathetic postganglionic terminals
a few postganglionic sympathetic terminals
what is acetylcholine’s affect
short
what terminals does norepinephrine affect
most postganglionic sympathetic terminals
what is norepinepherines affect
long lasting
what amplifies norepinephrine
adrenal release with epinephrine
what part of the body regulates the balance between sympathetic and parasympathetic
hypothalamus
name 3 things that happen during fight or flight
dilation of pupils
increased heart rate
dilation of airways
constricts blood vessels to non-essential organs eg kidneys
mobilises nutrients: glucose and fats
what is SLUDD used for
the rest and digest activities
what does SLUDD
Salivation
Lacrimation
Urination
Digestion
Defeacation
