ends during starts during posterior cerebral vein XAO:0004159 lab 2011-08-30T12:13:01Z Vein that drains the dorsal longitudinal vessel and the caudal portions of the venous capillary network of the medulla oblongata. The cerebral veins cross the head dorsally at NF stage 37-38. It drains into the vena capitis lateralis. xenopus_anatomy cerebral vein NF stage 37 and 38 NF stage 47