Karyotype of a Peripheral Blood Cell with 48 Chromosomes. In summary, as shown in Table 1, 32 of 94 cells counted in this patient had 46, 51 of 94 cells had 47, and 3 of 94 cells had 48 chromosomes.

Previously, researchers had thought these tissue layers were a dense "wall" of collagen — a strong structural protein found in connective tissue. But the new finding reveals that, rather than a "wall, ...

A patient with late-stage kidney disease just became the first person to receive a bioengineered blood vessel implant. The operation, performed on Wednesday, June 5 at Duke University Hospital ...