how does a neuron differ from an ordinary cheek cell or onion peel cell in structure?
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If we observe a cheek cell and an onion peel cell under a microscope,we can see the following observations-
Onion peel cell-
They are plant cells,so a large vacuole and a cell wall can be clearly seen.
Cheek cell
These are flat cells with irregular boundaries and each cell has a thin plasma membrane.There are no inter-cellular spaces between the cells and no cell wall is visible.
However,a neuron cell can be differentiated from a cheek cell and an onion cell in many ways.Firstly,each neuron has a single long part called the axon,and many short branched parts called dendrites.An individual nerve cell may be up to a metre long whereas,cheek cells and onion cells are too short.
Onion peel cell-
They are plant cells,so a large vacuole and a cell wall can be clearly seen.
Cheek cell
These are flat cells with irregular boundaries and each cell has a thin plasma membrane.There are no inter-cellular spaces between the cells and no cell wall is visible.
However,a neuron cell can be differentiated from a cheek cell and an onion cell in many ways.Firstly,each neuron has a single long part called the axon,and many short branched parts called dendrites.An individual nerve cell may be up to a metre long whereas,cheek cells and onion cells are too short.
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