1–4 hair grafts.
Follucular Unit Transplantation--surgically removed grafts containing 1-4 hair follicles that are genetically resistant to balding (from the back of the scalp) to be transplanted to a balding area
Color Atlas of Cosmetic Dermatology
Marc R. Avram, Sandy Tsao, Zeina Tannous, Mathew M. Avram
Copyright 2007 by The McGraw-Hill Companies, Inc. All rights reserved.
Slideshow: Cosmetic Surgery: Before-and-After Pictures
Slideshow: Non-Surgical Cosmetic Procedures for the Face
Slideshow: What Your Skin Says About Your Health
Slideshow: Adult Skin Problems: Pictures of Psoriasis, Rosacea, Skin Tags, and More
Slideshow: What Your Hair & Scalp Say About Your Health