Topic 7: ANS intro Flashcards
(7 cards)
1
Q
ANS divisions
A
Enteric
Parasympathetic
Sympathetic
2
Q
Enteric Nervous System
A
Innervate: Gi tract, pancreas, gallbladder
Independent of CNS
Composed of: myenteric plexus and submucosal plexus
3
Q
SNS effects
A
Increased: HR, BP, BF to skeletal muscles & heart
Mobilize energy stores
Dilation of pupils & bronchioles
4
Q
PNS effects
A
Maintain homeostasis
Decreases HR
Constriction of airways & pupils
SLUDD
5
Q
Chemical signaling between cells
A
Hormones
Local mediators
Neurotransmitter
6
Q
Midbrain and medulla integrate…
A
Endocrine system
ANS
Sensory input
Higher CNS (cereal cortex)
7
Q
Presynaptic regulation
A
Autoreceptor
Heteroreceptor