So basically, these two terms are synonymous. They are used interchangeably. So we said that motor neurons basically exit our nervous system. Now, when they exit the spinal cord, motor neurons exit from the front side of the spinal cord and the front side is also known as the ventral side. So if this is the cross sectional area of the spinal cord then this is the front side, it's the ventral side and this is where the motor neuron will leave. So let's move on to the sensory neuron.