Early-Stage Sperm Cells Culture Process (IMAGE) Newcastle University Caption How Prof Nayernia and his team cultured from human bone marrow. Credit Newcastle University, England Usage Restrictions To be used only in conjunction with this press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.