part of start stage end stage blood vessel maxillary barbel maxillary barbel blood vessel zebrafish_anatomy yvonne ZFA:0007079 Blood vessel that emerges from the maxilla, wraps around the sinus isthmus, then runs alongside the distal bulb to enter the barbel shaft proper. There are two ventral vessels that connect distally in the maxillary barbel forming a complete capillary loop. 2014-10-24T02:46:19Z ventral maxillary barbel blood vessel juvenile:days 30-44 adult