The nervous system of higher vertebrates is made of two types of cells namely neuroglia (supporting cells of neurons) and neurons (signal transduction in the nervous system). Neurons have two types of process viz dendron and axon and form synapse. On the other hand, neuroglia possess only one type of processes and do not from the synapse. Majority of neurons are not capable of differentiating and multiplying in the mature nervous system whereas neuroglia can multiply themselves.
Difference Between Neurons And Neuroglia
|Define||They receive and transmit nerve impulses||They provide mechanical as well as structural support to the neurons|
|Granules||Nissl’s granules||No granules|
|Formation of synapsis||Yes||No|
|Number||100 billion||Around 5-10 times the neurons in higher vertebrates|
|Age & number||The number does not change||The number decreases with age|
|Size||4 micrometer to 1 millimeter||Smaller than neurons|
|Function||It involves itself in signal transduction||Supplies nutrients to neurons|
|Referred as||The functional unit of the nervous system||They are supporting cells of neurons|
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