TY - CHAP M1 - Book, Section TI - Nail Anatomy and Physiology: What You Need to Know A1 - Alessandrini, Aurora A1 - Starace, Michela A1 - Piraccini, Bianca Maria A2 - Tosti, Antonella A2 - Piraccini, Bianca Maria PY - 2023 T2 - Disorders of the Hair and Nail: Diagnosis and Treatment AB - SUMMARYNail are important in many daily activities.The nail unit consist of nail matrix, nail folds, nail bed and hyponychium, and any of these parts has a specific composition and functions.Complete regrowth of a fingernail after avulsion can take 4 to 6 months, and up to 1 year for a toenail. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/10/09 UR - dermatology.mhmedical.com/content.aspx?aid=1201698032 ER -