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Terms in this set (30)
Nerve cell cluster; group of nerve cell bodies
Long slender projection of a nerve cell
Central Nervous System
Brain and spinal cord
Peripheral Nervous System
Cranial and peripheral nerves (everything other than brain and spinal cord)
Process of renewal, restoration and growth
Contains axons that are surrounded by myelin
Darker areas of the brain and spinal cord consisting mainly of nerve cell bodies
The nerve pathway involved in a reflex...The pathway is this stimulus, sensory neuron, dorsal root of spinal cord, motor neuron, and effector organ
Chemical transmitters that help nerve impulses move through a synapse
A sensory receptor that will respond to a stimulus
Something that causes a reaction
Somatic Nervous System
Part of the nervous system that controls voluntary movements like skeletal muscles
Autonomic Nervous System
Part of the nervous system that controls involuntary movements like heart rate, heart beat, respirations, digestion, and smooth muscle
Permits a neuron to pass an electrical signal from one neuron to another
Sympathetic Nervous System
A major division of the autonomic nervous system that controls the "fight or flight" response, increased blood pressure and heart rate, decreased digestion, and dilation of pupils.
Parasympathetic Nervous System
A major division of the autonomic nervous system that controls rest and relaxation
Another name for a sensory neuron
Another name for a motor neuron
Store and release neurotransmitters at a synapse.
Neurotransmitter that helps in muscle contraction
Neurotransmitter that gives the sensation of pleasure "natural high"
Neurotransmitter that functions in mood
Where nervous system and muscular system meet
A chemical that is released into the bloodstream that makes an organ of your body do something.
supporting cells in the nervous system "nerve glue"
When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________.
neuromuscular junction (NMJ)
Synapse between the axon terminal of a motor neuron and the section of the membrane of a muscle fiber
the body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream
Gland that secretes its products through ducts to the surface of an organ or tissue or into a vessel
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