Fluids such as blood, blood products and urine are stored in fluid banks under similar conditions.
The collection, storage, analysis and transplantation of human tissue involves significant ethical and safety issues, and is heavily regulated.
Each country sets its own framework for ensuring the safety of human tissue products.
[1] Tissue banks in the US are monitored by the Food and Drug Administration (FDA).
The Code of Federal Regulations sets out the following topics:[2]