'Peripheral body parts' presentation slideshows

9.1 INTRODUCTION Neurons: masses of nerve cells.

9.1 INTRODUCTION Neurons: masses of nerve cells. Structural and functional units of the nervous system. Specialized to react to physical and chemical changes in their surroundings. Nerve impulses: electrochemical changes neurons transmit. NEURONS Cell body: rounded area

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CNS Neuroglial Cells

CNS Neuroglial Cells. Greatly outnumber neurons in the CNS (think worker ants vs. Queen ant) Microglial cells Scattered throughout CNS Support neurons and phagocytize bacterial cells and cellular debris Oligodendrocytes Occur in rows along nerve fibers

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Neurons

Neurons. Vary in size and structure, but have common features: Cell Body Dendrites Axon Mature neurons do not divide, but neural stem cells can divide and form neurons or neuroglial cells. 1. Cell Body.

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