Illustration of a cross section of a blood vessel. At top is a dilated blood vessel and at bottom is a constricted vessel.

Size: 2364px × 3560px
Photo credit: © Gwen Shockey / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: annotated, artwork, blood, comparing, comparison, constricted, constriction, cross, dilated, dilation, drawing, graphic, illustration, info-graphic, information, medical, section, vessel