cattle trucking

noun1

1. •
   A diagnostic feature of retinal artery occlusion caused by the segmentation of the blood column within the retinal vessels, as seen on fundoscopy, fundus photography, or fluorescein angiography.

   • Angiographic findings associated with CRAO and BRAO include delayed filling of the affected vessels, reduced arterial calibre and “cattle-trucking” of the blood column in the branch arteries. — 2000