Numbers of cells in the human body?

rab4m at virginia.edu rab4m at virginia.edu
Tue Mar 19 10:42:43 EST 2002


   Just a comment about the issue of the number of cells in the human central 
nervous sytem. One has to be careful to distinguish between number of neurons 
and number of total cells in the nervous system.  There are approximately ten 
times as many glial cells (non-neuronal supporting cells) as neurons.  Many of 
the recent estimates cite 100 million neurons (and hence a total of a trillion 
neurons plus glial cells) in the central nervous system (brain plus spinal 
cord).
Bob Bloodgood
University of Virginia School of Medicine



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