Vessel
see blood vessel.
Tumor vessels are characterized by an increased vessel diameter, length, density and permeability. It has been revealed that the development and growth of the tumor neovasculature are tightly regulated by >19 angiogenic factors and 300 antiangiogenic factors 1)
1)
Harrigan MR. Angiogenic factors in the central nervous system. Neurosurgery. 2003;53:639–661.