explain the difference in regeneration of neurons in the PNS vs CNS
in the CNS oligodendrocytes are studded with growth-inhibiting proteins therefore a damaged neuron cannot regenerate
in the PNS, Schwann cells actively aid in recovery through a regenerating tube permitting the regrowth of axon filaments
what structures would you find at the precommand level?
what is the function?
cerebellum and basal nuclei
controls the outputs of the cerebral cortex
what structures would you find at the projection level?
motor cortex and brain stem nuclei
uses descending projection fibers to convey information to lower motor neurons
what structures would you find at the segmental level?
spinal cord
reflexes
what is a reflex?
what are the two types?
rapid and predictable motor response to a stimulus
intrinsic and learned reflexes
what are the components of the reflex arc
Receptor
Sensory Neuron
Integration center
Motor neuron
Effector