Chapter 10 test Flashcards
Simple fast predictable automatic response to help protect the body
reflex arc
A cluster of sensory neuron cell bodies
posterior root ganglion
bones of the spine that enclose and protect the spinal cord
vertebrae
in a reflex arc, the muscle or gland that responds with an action
effector
a group of lumbar, sacral and coccygeal nerves that branch off the lower end of the spinal cord
cauda equina
the innermost layer of the meninges that is attatched to the brain and spinal cord
pia matter
structer that resonds to some enviromental change and indentates a sensory impulse
receptor
opening the runs lengthwise through the spinal cord csf circulates through it
central canal
lymphatic fluid filled space between the arachnoid and dura matter
subdural space
reflex arc stucture that trasmitts the impulse to a muscle or gland
motor nuron
matter withing the spinal cord shaped like the letter H
Greyt matter
fat filled space between the vertebrae and dura matter
eduidural space
refex arc structre that passes the impulse form the recepter to CNS
sensory neuron
part of a spinal nerve containing senory nerve fibers that carry impulses tword the spinal cord
posterior root
part of a spinal nerve containing motor neurons carrying impulses away from the spinal cord
anterior root
tough outer most layer of the meninges
dura mater
space between the arachnoid and pia matter contains CSF
Subaronoid space
fillament that ancors the inferior portion of the spinal cord
filum terminate