Q: What is surgical facial reconstruction?

Answer: Tissue from an area of abundance can be used to make up for tissue deficiencies in the face. Surgery often requires the employment of "micro-vascular" techniques that involve the "transfer" of tissue together with their supporting arteries and veins, which then have to be connected to the recipient vessels in the neck.

-- see full article by Consultant Maxillofacial/Head & Neck Reconstructive Surgeon, Nicholas Kalavrezos; General Principles of Facial Reconstruction.