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A&PI-Ch4
Tissue the Living Fabric - Nervous Tissue
| Question | Answer |
|---|---|
| cell of nervous system; specialized to generate and transmit electrical signals (action potentials and graded potentials) | neuron |
| main component of nervous systems; brain, spinal cord, and nerves | nervous tissue |
| nervous tissues __ & __ body functions | regulate; control |
| typically neurons are __ cells with cytoplasmic extensions, or __ | branching; processes |
| responding to stimuli is role of | dendrites |
| transmitting electrical impulses over substantial distances within body, is role of | axon |
| allow neurons to respond to stimuli and transmit electrical impulses over substantial distances within body | processes |
| axons may be very long and __ | myelinated |
| soft white somewhat fatty material that forms thick sheath about core of a nerve fiber | myelin |
| balance of nervous tissue consists of carious types of __ cells | supporting |
| nonconducting cells that support, insulate, and protect delicate neurons | supporting cells |