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.
The average hair growth rate of Asian female participants was nearly 6 inches per year. Comparatively, African female participants' hair grew 4 inches (10 cm) per year, while Caucasian female participants' hair grew a little more than 5 inches (13 cm) per year.he average hair growth rate of Asian female participants was nearly 6 inches per year. Comparatively, African female participants' hair grew 4 inches (10 cm) per year, while Caucasian female participants' hair grew a little more than 5 inches (13 cm) per year.