Russian dolls redirects here. For the movie, see Russian Dolls (film). A matryoshka doll (Russian: Ð¼Ð°ÑÑÑÑÐºÐ°; IPA: [mÉËtrÊ²ÉµÊkÉ], matrÃ«Å¡ka), also known as a Russian nesting doll, or Russian doll, is a set of wooden dolls of decreasing size placed one inside another.
Nail injuries can be noticeable until the damaged nail grows out. Fingernails usually regrow completely in about two months. Toenails take about four months. If injury includes the base of the nail, some cosmetic changes may be permanent.
The toenail grows 0.01 to 0.05 mm/d; growth is more rapid in younger persons. Replacement of an injured or avulsed nail can take 3 to 6 months. Accordingly, recurrent ingrown toenails often become symp-tomatic 3 to 6 months after an initial avulsion procedure.The toenail is supported by the nail unit (Figure 1): the proximal nail fold, the nail bed, the nail matrix, and the hyponychium.he toenail gives stability to the distal soft tissue of the toe, which frequently becomes elevated following ablation of the nail. As a new nail grows outward, it often impinges against the soft tissue, leading to nail deformity or an ingrown toenail.