Card Set Information
The spinal cord becomes spaghetti-like after reaching L1 and L2. Here, it is called __.
the cauda equina (horse tail)
__ are routes followed by nerve impulses as they pass through the nervous system.
Interneurons in a withdrawal reflex are located in the __.
__ are automatic subconscious responses to stimuli within or outside the body.
Effectors of a reflex arc are __ and __.
glands and muscles
A knee-jerk employs only __ neurons.
sensory/ motor -or- 2
The effector of the knee jerk reflex is the __.
The sensory stretch receptors of the knee-jerk reflex are located in the __.
The knee-jerk reflex helps the body to maintain __.
The sensory receptors of a withdrawal reflex are located in the __.
__ muscles in the limbs are the effectors of a __ reflex.
What is only located in the spinal cord and not the brain?
outermost layer of meninges
follows the irregular contours of spinal cord surface
contains cerebrospinal fluid
thin, netlike membrane
separates dura mater from bone of vertebra
Each of the __ segments of the spinal cord gives rise to a pair of __.
The bulge in the spinal cord that gives off nerves to the arms is called the __.
The bulge in the spinal cord that gives off nerves to the legs is called the __.
The __ is a groove that extends the length of the spinal cord, posteriorly.
posterior median sulcus
The __ of the spinal cord contains cerebrospinal fluid.
The longitundinal bundles of nerve fibers within the spinal cord comprise major nerve pathways called __.