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.
â¢ Nail separating from the nail bed is often caused by trauma, infection -- especially fungal -- or thyroid disease. â¢ Fungal infections on fingernails are usually caused by fake nails or wraps. â¢ Pale nails can signal anemia. â¢ White nails can be caused by infection or trauma. If the nail is mostly white with a darker rim, it can indicate liver issues, such as hepatitis. â¢ Yellow nails are often the sign of a sinus infection, chronic respiratory conditions or lymphedema (swelling of the hands), and are common in AIDs patients.