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nervous regulation

Definition
regulation a rule or directive made or maintained by an authority
irritabilty the quality or state of being irritable
impulse a sudden strong and un reflective urge or desire to act
response any behavior of a living organism that results from an external or internal stimulus
receptors an organ or cell able to respond to light,heat or external stimulus and transmit a signal to a sensory nerve
neuron a specialized cell transmitting nerve impulse
effector an organ or cell that acts in response to a stimulus
cell body the nucleus containing central part of a neuron exclusive of its axon and dendrites that is the major structure element of the grey matter of the brain and spinal cord the gangilla and the rentina
dendrites a short branched extension of a nerve cell , along which impulse received from other cells at synapses are transmitted to the cell body
cell body the nucleus containing central part of a neuron exclusive of its axon and dendrites that is the major structure element of the grey matter of the brain and spinal cord the gangilla and the rentia
axon the long threadlike part of the nerve cell along which impulse are conducted from the cell body to the other cell
meninges the three membranes that line the skull and vertebral canal and enclose the brain and spinal cord
cerebrum the largest part of the brain ,consisting of two lobes , the left and right cerebral hemisphere that controls the thought and the voluntary movement
cerebellum the part of the brain at the back of the skulls in vertebrates . its function is to coordinate and regulate muscular activity
medulla oblongata the continuation of the spinal cord withing the skull ,forming the lowest part of the brainstem and containing control centers for the heart and lungs
central nervous system the complex nerve tissues that control the activities of the body . in vertebrates it comprises the brain and the spinal cord
peripheral nervous system the nervous system outside the brain and spinal cord
meninges the three membrane that line the skull and vertebral canal and enclose the brain and the spinal cord
nuerontransmitters a chemical substance that is released at the end of a nerve fiber by the arrival of nerve impulse
Created by: _lisss.k
 

 



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