sensory
receptors of a sensort neuron detect stimuli which conduct the information to the spinal cord and brain
integrative
processing sensory information by analyzing and storing it, and determining the appropriate responses
motor
motor neurons conduct the responses from the integrative centers of the brain and spinal cord to the effector organs which produce the response
central nervous system
control center for entire nervous system (brain and spinal cord)
peripheral nervous system
connects receptors, muscles and glands with the central nervous system
afferent system
sensory nerves that convey information from receptors within the skin, skeletal muscle or an organ to the CNS
efferent system
motor nerves that convey information from the CNS to the muscles
somatic nervous system
efferent nerves that conduct impulses to skeletal muscle tissue, under conscious control, voluntary
autonomic nervous system
efferent nervers that conduct impulses to smooth muscle tissue, cardiac muscle tissue and glands, not under conscious control, involuntary
sympathetic division
generally catabolic that enables the body to deal with stresses
parasympathetic division
generally anabolic that promotes orderly processes of the body such as digestion. prepares the body for the next stress episode.
neuron cell body
contains the organelles and is responsible for metabolism
neuron dendrites
act as antennae by receiving an impulse and then conducting it toward the cell body
neuron axon
transmits the impulse away from the cell body and toward another cell
brain stem
controlling basic life needs
cerebellum
controlling subconscious motor movements responsible for coordinated movements, balance and postural muscle tone
diencephalon
controlling the endocrine system autonomic nervous system and rhythms of the body
cerebrum
higher thought processes, interpretation of sensory information, integration and motor planning
frontal lobe
functions in personality and motor control
parietal lobe
functions in sensory perception
temporal lobe
function in auditory perception
occipital lobe
functions in visual perception
myotome
the muscles that are innervated by neurons from one spinal nerve
dermatome
the area of skin from which sensory information is conducted by one spinal nerve
plexus
the spinal nerves mix or braid after they exit the spinal canal. Cervical, brachial, lumbar and sacral plexus
sensory receptor
initiates a nerve impulse/action potential in response to a change in environment
afferent neuron
transmits the action potential to the cns
integrating center
relays the action potential to the efferent neuron
efferent neuron
transmits the action potential to an effector
effector
muscle or gland that responds to the action potential