What procedure involves removing and manipulating cells for implantation in tissue engineering?

The procedure that involves removing and manipulating cells for implantation in tissue engineering is accurately identified as cell extraction. This process entails isolating specific cells from a biological source, such as human tissue or organ, and often includes techniques such as enzymatic digestion, centrifugation, and filtration to obtain a pure cell population suitable for further study or application.

Cell extraction is crucial in tissue engineering as it provides the necessary cellular components that can be expanded or modified to create tissues or organs. This step is foundational in the overall tissue engineering process, as it supplies the building blocks needed for subsequent steps like cell culturing or differentiation.

In contrast, cell sourcing involves identifying and selecting the origin from which cells will be obtained, while cell culturing refers to the process of growing and maintaining these cells in a controlled environment after extraction. Cell differentiation pertains to the process where stem or precursor cells are guided to develop into specific cell types with distinct functions. Each of these processes plays a role in tissue engineering but does not specifically denote the act of removing and preparing cells for implantation.