Tuesday, February 1, 2011

NERVOUS TISSUE


NERVOUS TISSUE HAVE NO EPITHELIUM. IT HAS TWO TYPES THE GLIAL CELLS AND THE NEURONS. GLIAL CELLS ARE FOR SUPPORT ALLOWING NERVOUS TISSUE TO PERFORM ITS FUNCTION.IT HAS 4 TYPES IN CNS NAMELY MICROGLIA, EPEMDYMAL, ASTROCYTES AND OLIGODENDROCYTE. IT ALSO HAS 2 TYPES IN PNS THE SCHWANN AND SATTELITE CELLS. NEURONS ON THE OTHER HANDIS THE CONTROL FUNCTION IT HAS 2 MAJOR PARTS THE DENDRITES AND THE AXON. THE GAP BETWEEN NEURONS AND RECEIVING CELL IS CALLED SYNAPSE.

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