CHASSENET / BSIP / SCIENCE PHOTO LIBRARY CHASSENET / BSIP / SCIENCE PHOTO LIBRARY
Editorial use only.
Sperm bank. Tube of sperm being removed from frozen (cryogenic) storage. The tube has been stored in liquid nitrogen, which keeps the sperm at approximately -200 degrees Celsius. Once the sample is removed and thawed, the healthiest sperm will be selected for use in in vitro fertilisation, to treat infertile couples.
Model release not available. Property release not required.