The Ross procedure, in which the aortic valve is replaced by the patient's own pulmonary valve, is the only operation that guarantees long-term viability of the aortic valve, which translates into ...

Cells. Tissues. Organs. Organ systems. And the organism itself. Cells are the building blocks of life. Tissue is made when specialised cells with the same function group together. For example ...

Using tissue grown from a patient's own cells helps ... "Pretty much I was able to live a normal life after," he says. He underwent surgery 17 times before he was 13, but hasn't had to since.

A tissue processor is used to prepare tissue samples for analysis by fixing, staining, dehydrating or decalcifying them. The processors are mostly single unit devices that can accommodate a ...