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| A chemical neurotransmitter produced at the branching ends of the presynaptic axon; transmits impules to the postsynaptic neuron or effector |
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| the change in electical potential across the neuron membrane during transmission of the nerve impulses |
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AUTOMATIC the division of the peripheral nervous system that supplies nerves the smooth (involuntary) muscles of internal organs, heart and to glands. |
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| carries impulses away from the cell body |
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| The brain stem is part of the brain and includes.. |
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| the midbrain, medulla, and the pons |
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| The portion of a neuron containing its nucleus |
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Central Nervous System CNS is composed of |
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| the brain and spinal cord |
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| part of the brain concerned with muscular coordination and tone |
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| The outer (gray matter) layer of the cerebrum |
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| Divides the cerebrum into 2 hemispheres |
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What is Cerebrospinal fluid? (CSF) |
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| the fluid surrrounding the nervous tissue of the brain and spinal cord and filling the brain's ventricles |
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| A major part of the brain-concious sensation, voluntary activity and cognitive thought. |
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| How many pairs of cranial nerves are there? |
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| transmits impulses towards the cell body |
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| includes the thalmus and hypothamlus |
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| A cluster of nerve cell bodies outside the CNS |
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contains mostly cell bodies (not mylinated) |
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| acts as the connecting link between sensory and motor neurons in a nervous pathway. ALL interneurons lie within the CNS |
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| The three membranes enclosing the CNS |
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