Spinal Nerves and Plexuses

14 terms by NVNV 

Create a new folder

Advertisement Upgrade to remove ads

Exercise #21

Cervical Nerves: C1-C8

Thoracic Nerves: T1-T12

Lumbar Nerves: L1-L5

Sacral Nerves: S1-S4

Coccygeal Nerve

the lowest pair of spinal nerves

Meissner corpuscles

Touch receptors in skin. Discriminative

Pacinian corpuscles

pressure receptors. Discriminative

Modulated

changed or adjusted to be suitable. I.e cannot feel toes when not thinking about them.

Dorsal root

sensory (afferent) fibers entering the grey matter of the spinal cord

Ganglion

collection of nerve cell bodies in the peripheral nervous system

Ventral root

motor (efferent) fibers exiting the gray matter of the spinal cord

pseudounipolar neuron

neuron with continuous dendrite and axon, with cell body off to one side

Non encapsulated receptors

Free nerve endings, pain and temperature nerves have this (non discriminative)

Lower motor neurons

located in PNS, cell bodies are located in spinal cord and their nerve fibers extend to and make direct contact with muscles

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set