Nervous System Ex 21 (cont'd)

10 terms by anjbrantley

Create a new folder

Advertisement Upgrade to remove ads

Use the disseced cat nervous system or the spinal cord model to identify. Pg 315/319

Spinal Cord

a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain

Cervical Enlargement/Expansion

superior enlargement of the spinal cord. Supplies nerves to upper limbs. Located approximately C4-T2. pg. 315

Lumbar Enlargement/Expansion

the inferior enlargement, extends from the ninth to the twelfth thoracic vertebra, nerves to and from the lower limbs arise form the lumbar enlargement. pg. 315

Cauda equina

"horse's tail", a fan of nerve fibers below the spinal cord. pg. 315

Conus Medullaris

Where spinal cord terminates at about L1-L2 in a cone shaped structure. pg. 315

Filum terminale

This structure is made up of pia mater that extends below the Cauda equina. It anchors the brain and spinal cord to the coccyx. pg. 315

Brachial plexus

network of nerve fibers that originates from the ventral branches of the last 4 cervical nerves and first thoracic spinal nerves, supplies shoulders, arms, and chest. pg 320-322

Sacral plexus

Arising from L4 through S4. supplies nerves to buttocks, perineum, and lower limbs. Sciatic nerve located here.

Vagus nerve

Cranial nerve X. Innervates organs such as the heart and intestines. 80-90% is afferent pathways. see pg 726 for location in cat.

Sciatic nerve

nerve extending from the base of the spine down the thigh, lower leg, and foot. Sciatica is pain or inflammation along the course of the nerve.. pg 709 for location in cat.

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