Vaccines and aborted fetal tissue are linked in some cases. That's because certain vaccines, such as a type of rabies vaccine, are made by cultivating the virus in fetal cells. The Janssen COVID-19 ...

Tissue engineering is a set of methods that can replace or repair damaged or diseased tissues with natural, synthetic, or semisynthetic tissue mimics. These mimics can either be fully functional ...

The 2004 WHO classification of endocrine tumors defines pheochromocytoma as a tumor arising from catecholamine-producing chromaffin cells ... from parasympathetic tissue (mainly in the head ...

Peroxynitrite induces cell death, and can influence signal-transduction processes, mitochondrial function and signalling of apoptosis. The formation and reactions of peroxynitrite play a ...