Consist of several intertwining loops among the basal ganglia nuclei & thalamic nuclei Striatum (caudate & putamen) is receiver of input to basal ganglia Frontal cortex especially premotor area
Each strand of hair on the human body is at its own stage of development. Once the cycle is complete, it restarts and a new strand of hair begins to form. The rate or speed of hair growth is about 1.25 centimetres or 0.5 inches per month, or about 15 centimetres or 6 inches per year.
An average person's hair grows at about 1/2 inch to and 1 inch per month. Trimming your hair does not make it grow faster, this is a myth. It is healthy to get a trim, but the best way to let your hair grow it's best is eating plenty of fruits and vegetables and enough servings from each food group.