The location of terminal axons are at the end of the neuron and they are responsible for transferring signals from one neuron to other neurons. The broken point is called nodes of Ranvier which helps in increasing the efficiency of transmission of signals. Axons are covered by Schwann cells and it secretes myelin sheath. For faster transmission of signals, a larger diameter of the axon is required. In a normal resting state, it possesses an internal polarization of approximately -70mV.Īxon is a tube-like structure of the neuron which conducts signals from the cell body to the synaptic knob. When the sum of all the signals received by dendrites exceeds a certain threshold value, the action potential is caused by changes in ion channels transmitted in the form of an electrical signal down the axon from the cell body. The position of axon hillock is found at the end of soma and it acts as a manager, summing the total inhibitory and excitatory signals. It maintains the genetic structure, carries genetic information and provides energy to drive various activities. It supports and maintains the functions of the cell body with a nucleus, Golgi body, endoplasmic reticulum, mitochondria and other components. They receive signals in electrical or chemical form and send them to inwards parts of the neuron.Ĭell body is the neuron’s core containing a cell nucleus and numerous cellular components which helps in performing different functions of the cell. The number of dendrites varies from the location of the cell. These branch-like extensions are at the beginning part of the neuron to help in receiving signals and transmit them to the cell body of the neuron. All neurons have three main parts- Dendrites, Cell body and Axon.
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