Your doctor or nurse might be able to use the same sample of cells for both tests. (plannedparenthood.org)
Cytology is the microscopic examination of small samples of cells from washes and needle aspirates. (brittonroadveterinaryclinic.com)
To see if these stem cells could be used to restore fertility, Orwig and his team took samples of the cells from the testes of prepubescent and adult male rhesus macaques, and froze them. (newscientist.com)