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.
Causes of Tissue Expander Pain Tissue expanders are temporary devices implanted within chest muscles after your mastectomy to make room for a permanent breast implant. Tissue expanders can feel very hard and unnatural because their shells are thicker and less flexible than implant shells.