n. 1  The act or process of dividing. 2  Cell division. 3  The operation of determining how many times one quantity is contained in another; the inverse of multiplication.
Research is looking at implant reconstruction with a tissue expander using a dermal matrix product to cover the implant compared to using skin and muscle to cover the implant. The dermal matrix essentially forms a âslingâ that helps form a pocket and support the lower portion of the implant, holding it in position.
By Natalie Kita. Updated March 03, 2016. What Is Tissue Expansion: Tissue expansion is a reconstructive surgical technique which allows the expansion of breast skin and muscle using a temporary tissue expander. The expander is removed several months later. The patient will then undergo a microvascular flap reconstruction or a breast implant.