Procedures for enhancing and directing tissue repair and renewal processes, such as
BONE REGENERATION; NERVE REGENERATION; etc. They involve surgically implanting growth
conducive tracks or conduits (TISSUE SCAFFOLDING) at the damaged site to stimulate
and control the location of cell repopulation. The tracks or conduits are made from
synthetic and/or natural materials and may include support cells and induction factors
for CELL GROWTH PROCESSES; or CELL MIGRATION