differences between left and right hemispheres. 1  for many functions, there are no substantial differences between the left and right hemispheres. 2  lateralization of function is statistical rather than absolute. 3  tendencies:
When the nail plate separates from the nail bed, it causes a white discoloration. This is called onycholysis. This can be due to infection, trauma, or products used on the nails. Other causes for onycholysis include psoriasis and thyroid disease. Pitting. Pitting refers to small depressions, or little pits in the nail.
The part of the nail that you see, you know, the one you clip and paint, is called the nail body. It starts all the way back here, beneath your skin, and grows out past the tips of your fingers. This area, the one growing past your fingertip, is the free edge of the nail, while the other end is the nail root.