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.
Alloderm, or any of the other biological products, has taken the place of the lower muscles that used to be integral to breast reconstruction with a tissue expander or implant. When undergoing breast reconstruction with a tissue expander, the expander is covered by your pectoralis major muscle.