Implantation - a surgical treatment that sites some thing while in the human system; "the implantation of radioactive pellets within the prostate gland" armed forces, armed products and services, navy, army equipment, war device - the military forces of the nation; "their military services is the biggest in the area"; https://en.ezisurg.com/recommend-products/a-comprehensive-guide-to-the-surgical-stapler-structure.html