In contrast to embryonic stem cells, when adult stem cells divide, their offspring are only able to develop at the same site and in certain tissue types. (sciencedaily.com)
Injecting magnetic materials known as contrast agents can help boost the visibility of certain tissues, but these agents are typically designed to break down soon after the MRI is performed. (sciencedaily.com)
Actually, type I diabetes is associated with genetic predisposition, specifically it is common with certain tissue types (which makes sense, as it is an autoimmune disorder), and also certain ethnicities, and is highly heritable. (skepticalob.com)