cortices. 1  1a (1) : the outer or superficial part of an organ or bodily structure (such as the kidney, adrenal gland, or cerebellum or a bone); especially : cerebral cortex (2) : the proteinaceous usually pigmented layer of a hair below the cuticleb : the outer part of some organisms (such as paramecia)
If a toenail has completely fallen off, it can take up to 18 months for it to grow back. A toenail can take longer to grow back if the nail bed has permanent damage. In some cases, old nails do not completely fall off, and they act as a protective...
Most broken toes will heal on their own with proper care at home. It can take 4 to 6 weeks for complete healing. Pain and swelling will go away within a few days to a week. If something was dropped on the toe, the area under the toenail can bruise. This will go away in time with nail growth.