Vein that branches from the primordial hindbrain channel (PHBC) at 1.3 dpf. The primitive prosencephalic artery drains into the anterior cerebral vein (ACeV) as do the prosencephalic artery and the nasal vein. [ GOC:cvs ORCiD:0000-0002-2244-7917 http://zfin.org/ZDB-PUB-010205-5 ]