Leukocyte chemotaxis from caudal vein to tailfin wound site. Video made available by Mark Cooper thru The Zebrafish A Living Laboratory.

Rolling of leukocytes on the walls of the caudal vein in a larval zebrafish; real time. As in adult mammals, such rolling occurs only in veins, not in arteries. Video made available by Mark Cooper th...

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red)

Scanning electron microscope image of sunflower lower leaf surface where a vein is located. This is part of an image series containing images CIL:39341-39343, and 39345.