part of start stage end stage ventral tooth row ceratobranchial 5 replacement tooth replacement tooth 4V zebrafish_anatomy 2015-07-01T04:55:16Z ZFA:0005852 Ceri Ceratobranchial 5 tooth which is posterior to tooth 3V and anterior to tooth 5V in the ventral tooth row. This tooth develops from the dental epithelium at the position of primary tooth 4V. larval:protruding-mouth adult