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The Nervous System: Cells

Across
transmits the nerve impulse away from the cell body
have multiple processes, which are usually one axon and many dendrites
form the myelin sheaths surrounding neurons in the PNS
impulse-conducting cells and represent the nervous system's simplest structural unit.
form a protective fatty substance around neurons in the CNS. This substance is called myelin
transmit impulses from the CNS toward muscles or glands
regulate the exchange of nutrients between neurons and blood vessels and help form the blood-brain barrier
surround and serve to support clusters of neural cell bodies in the PNS called ganglion
Down
transmit sensory information toward the CNS
have two processes that extend from the cell body
These cells participate in the production and assist in the circulation of cerebrospinal fluid (CSF)
lie between sensory and motor neurons and participate in integrative functions
branches that receive impulses and transmit them to the cell body
connective tissue that supports, nourishes, protects, and insulates nerve cells or neurons
have a single process extending from the cell body
protect CNS neurons by destroying and removing pathogens, harmful microorganisms, and cellular debris
contains the nucleus and other organelles