Autonomic nervous system Flashcards
The primary functional unit of the autonomic nervous system
Two-neuron motor pathway
The two-neuron pathway consist of which neurons?
A preganglionic and a postganglionic neuron
Preganglionic axon: myelinated or unmyelinated?
Myelinated
Postganglionic axon: myelinated or unmyelinated?
Unmyelinated
The autonomic nervous system is functionally divided into which systems?
Parasympathetic and sympathetic
The sympathetic preganglionic neurons are located in which segments of the spinal cord?
T1 to L2
Also known as the thoracolumbar division
Sympathetic nervous system
The parasympathetic preganglionic neurons are located in which part of the CNS?
Brainstem and sacral spinal cord
Also known as craniosacral division
Parasympathetic nervous system
Subcortical neurons except:
a. dorsal root ganglia
b. ansa lenticularis
c. thalamus
d. caudate
e. a and b
A
