Beau's traces: Deep grooves throughout the nail's width indicate the nails have slowed or stopped increasing. Injuries, chemotherapy, higher worry, and fever might cause Beau's lines. The nail matrix is a part of the nail concealed underneath the pores and skin near the base. It’s break up into two pieces: https://spencerglmnm.blognody.com/39196214/5-easy-facts-about-nail-described