Why do my fingernails have white at the base? The lunula looks white because the epidermis is thicker beneath the matrix and it blocks the pink colour from the blood vessels below.
What does white on nails mean? White nails, also known as leukonychia, describes fingernails that are partially or completely white in color. The white color could be the result of several things such as trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning.
Can your fingernails show signs of illness? Ripples on nails or pitted nails may be caused by a skin disorder, psoriasis, eczema, or arthritis. Nail clubbing is when a nail curves under at the tip of the finger. It could indicate heart disease, inflammatory bowel disease, lung disease, liver disease, thyroid disease, or HIV/AIDS.
Why is half of my nail white? This condition, known as Terry’s nails, is especially common in people with severe liver disease. Additionally, nails that are half white and half reddish brown are called Lindsay’s nails, which is a condition that’s often associated with kidney disease.