The light-colored half-moon shape at the base of the nail; where the matrix connects with the nail bed.
In this month’s column, Dr. Stern encounters patients dealing with psoriasis; red, spotted lunula; lichen planus; myxoid cyst; and chemotherapy affecting the nails.
Nail technicians should know as much about the inside of the nail as the outside. Here’s an anatomy lesson on the onychium. Pay attention – there’s going to be a test at the end.
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