Spinal cord

At spinal cord segment number ---- a transition point occurs where the nerves now exit ---- the C7 vertebra and above T1

C8, below

The spinal cord begins at the level of the —— and ends at the —— between lumbar vertebrae—— and ——

Foreman magnum, conus medullaris, 1 & 2

In sensory ganglia, there are no —— because the cells are —— But there ARE synapses in —— ganglia

Synapses, pseudo unipolar , autonomic

Which segments of the spinal cord contain preganglionic sympathetic neurons

T1-L3

What cranial nerves have a Parasympathetic component

3, 7, 9, 10

What are the 31 pairs of nerve roots in the spinal cord

8 cervical 12 thoracic 5 lumbar 5 sacral 1 coccyx

nucleus of clarke

?

The spinal nerves exit the vertebral canal ---- their corresponding vertebrae for segment numbers ---- to ----

Above, C1-C7

The neurotransmitter used in parasympathetic postganglionic neurons is

Acetylcholine

The neurotransmitter used in preganglionic neurons is

Acetylcholine

Transmitter use in sympathetic postganglionic neurons is

Norepinephrine

substantia gelatinosa

the dorsal region of the spinal cord where pain fibers synapse with sensory nerves

The spinal cord is located in the vertebral canal

vertebral canal