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.
Expander-implant Post-mastectomy Reconstruction. Staged breast reconstruction begins with a tissue expander at the time of mastectomy, followed by placement of the final implant at a second stage. This two-stage approach is currently the most common method of implant breast reconstruction.