| vascular zone | An area in the external acoustic meatus where a number of minute blood vessels enter from the mastoid bone. Synonym: spongy spot, zona vasculosa. (05 Mar 2000) |
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| vascular-streak dieback | A fungal disease of the cacaotree caused by Oncobasidium theobromae. (09 Oct 1997) |
| vascularisation | <physiology> Growth of blood vessels into a tissue with the result that the oxygen and nutrient supply is improved. Vascularisation of tumours is usually a prelude to more rapid growth and often to metastasis, excessive vascularisation of the retina in diabetic retinopathy can lead indirectly to retinal detachment. Vascularisation seems to be triggered by angiogenesis factors that stimulate endothelial cell proliferation and migration. See: angiogenin, tumour angiogenesis factor. (07 Mar 2000) |
| vascularised | Rendered vascular by the formation of new vessels. (05 Mar 2000) |
| vascularised graft | The state of a graft after the recipient vasculature has been connected with the vessels in the graft. (05 Mar 2000) |
| vascularity | The blood supply of a tumour. (16 Dec 1997) |
| vascularization | The formation of new blood vessels in a part. Synonym: arterialization. (05 Mar 2000) |