21. The condition is thought to be due to a decrease in vascularity and an increase in connective tissue within the nail bed . 22. This helps prevent the cuticle from fusing to the exposed nail bed because the fusion can prevent regrowth of a new nail. 23. As Grady enters the changing room, Kostopoulos wipes down my hands to even out the color around my knuckles and nail beds . 24. With that said : The toenail is " dead ", but there is a living layer of cells underneath called the nail bed . 25. But if a fungal infection has occurred in your nail bed , it will cause the nail to grow out as you have described. 26. The lines are actually in the vascular nail bed underneath the nail plate, and as such, they do not move with nail growth. 27. Wipe nail beds with polish remover and slip your foot into a thong-style sandal or wind cotton between the toes to keep them separated. 28. He batted on, but he woke up on Monday barely able to walk, with his toe badly swollen and bleeding under the nail bed . 29. The bleeding comes from the ( vascular ) laceration of the nail bed causes bleeding into the constricted area underneath the hard nail plate. 30. Occasionally they can be a manifestation of a low serum calcium level, abnormal thyroid level or even a fungal infection in the nail bed .