To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 17. Bright field imaging reveals lower blood flow in the bone enclosed artery when compared to vessels of the interlaced plexus. Brightfield videos of circulating red blood cells in the bone enclosed artery. Fish is oriented with anterior to the left. Temporally and regionally distinct morphogenetic processes govern zebrafish caudal fin blood vessel network expansion Elvin V. Leonard, Sana Safatul Hasan, and Arndt F. Siekmann Development 2023. 150:None-None; doi: 10.1242/dev.201030 Download Original Video