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.
Onycholysis is a condition that causes nails to separate from the nail bed beginning at the distal end of the nail (under the free edge). The nail itself will appear healthy, often maintaining its shape and strength. Techs will be able to see the separation easily on natural nails and through light-colored enhancement products.