vascular (VAS-kyoo-ler):

relating to the body’s blood vessels.


a blood vessel that carries blood to the heart.

very-long-acting insulin:

a type of insulin that starts to lower blood glucose within 1 hour after injection and keeps working evenly for 24 hours after injection. See glargine insulin.

very-low-density lipoprotein (VLDL) cholesterol:

a form of cholesterol in the blood; high levels may be related to cardiovascular disease.

vitrectomy (vih-TREK-tuh-mee):

surgery to restore sight in which the surgeon removes the cloudy vitreous humor in the eye and replaces it with a salt solution.

vitreous (VIH-tree-us) humor:

the clear gel that lies behind the eye’s lens and in front of the retina.

VLDL cholesterol:

see very-low-density lipoprotein cholesterol.


to urinate; to empty the bladder.

Get our free newsletters

Stay up to date with the latest news, research and breakthroughs.