Nervous System Ex 21 (cont'd)
About this set
Created by:
anjbrantley on December 6, 2011
Subjects:
Description:
Use the disseced cat nervous system or the spinal cord model to identify. Pg 315/319
Classes:
ANP 2401-42063 Carmen G. Fall 2011
Log in to favorite or report as inappropriate.
Order by
10 terms
Terms | Definitions |
|---|---|
 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. |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.