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18 Cards in this Set
- Front
- Back
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axon |
the long extension of a neuron that carries nerve impulses away from the body of the cell |
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axon terminals |
the heir-like ends of the axon |
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cell body |
the cell body of the neuron; it contains the nucleus |
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dendrites |
the branching structure of a neuron that receives messages |
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myelin sheath |
the fatty substance that surrounds and protects some nerve fibers |
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node of ranvier |
one of the many gaps in the myelin sheath - this is where the action potential occurs during salutatory conduction along the axon |
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nucleus |
the organelle in the cell body of the neuron that contains the genetic material of the cell |
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schwann's cells |
cells that produce myelin - they are located within the myelin sheath |
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Cerebellum |
the part of the brain below the back of the cerebrum. it regulates balance, posture, movement, and muscle coordination |
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corpus callosum |
a large bundle of nerve fibers that connect the left and right cerebral hemispheres |
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frontal lobe |
the top, front region of the cerebral hemisphere. they are used for reasoning, emotions, judgment, and voluntary movement |
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medulla |
the lowest section of the brain stem; it controls automatic functions such as heartbeat |
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occipital lobe |
the region at the back of the cerebral hemisphere that contains centers of vision and reading ability |
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parietal lobe |
the middle lobe of the cerebral hemisphere. it contains important sensory centers |
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pituitary gland |
a gland attached to the base of the brain that secretes hormones |
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pons |
the part of the brain stem that connects the cerebrum with the cerebellum |
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spinal cord |
a think bundle of nerve fibers that runs from the base of the brain to the hip area |
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temporal lobe |
the region at the lower side of the cerebral hemisphere it contains the centers of hearing and memory |
