Tissue expansion refers to the process of stretching the skin and underlying tissues to generate new skin that can be used for reconstructive surgery. Some of the synonyms that describe tissue expansion include dermal expansion, skin stretching, and skin expansion. Dermal expansion is a technique that helps to promote skin regeneration and growth. Meanwhile, skin stretching is a method that is frequently used to prepare the skin to receive grafts. Another synonym for tissue expansion is tissue growth, which can occur through the use of different devices and treatments such as the vacuum expansion technique that uses suction to promote new tissue growth. The primary application of tissue expansion is the reconstruction of body parts that have been damaged by injury.