Home
Flashcards
Preview
Human AP Chapter 14
Home
Get App
Take Quiz
Create
operates via reflex arcs and without conscious control
continuous flow of sensory and motor signals
ANS Autonomic Nervous system
Divide into sympathetic and parasympathetic nervous system
ANS
When structures receive both sympathetic and parasympathetic innervation
Dual Innervation
raises thoracolumbar alertness and metabolic activity (Fight or Flight)
Sympathtic division
Craniosacral division
conserves restores energy
(Rest and Digest)
Parasympathetic division
Cell body in CNS
Extends to ganglion and synapses w/ 2nd neuron
always releases Ach
Preganglionic neuron
Entire cell outside CNS
Synapses w/ effector
-releases Ach or Ne
Postganglionic neuron
contains cell bodies of post ganglionic neurons
Ganglia
Dominates over parasympathetic division during stress
Sympathetic division
exercise, excitement emergency embarrassment
heart rate goes up, bp goes up
blood flow redirects into certain organs
Sympathetic divison
preganglionic neruons pass through chain ganglia
Collateral ganglia
Ach is the neurotransmitter
all preganglionic and some postganglionic neurons
Cholinergic neurons
Found within post ganglionic neurons and effector cells
Cholinergic receptors
norepinepherin are neurotransmitters
Most postganglionic neuron
Adrenergic neurons
Found within effector cells
two types a and b
Adrenergic receptors
a1 and b1
excitatory
A2 and B2
Inhbitory
SLUDD
salivation, lacrimation urination digestion defacation
Author
Bnasty
ID
336470
Card Set
Human AP Chapter 14
Description
Human AP Chapter 14 5.3
Updated
2017-12-04T00:22:48Z
Show Answers
Home
Flashcards
Preview