develops from ends during starts during blastomere V1.1 blastomere V1.1.2 eriksegerdell V1.1.2 XAO:0005105 B4 Blastomere which lies adjacent to the prospective ventral midline, posterior to its sister cell, blastomere V1.1.1, in the second tier of blastomeres. It contributes to trunk epidermis and neural crest cells, Rohon-Beard neurons, somites, the pronephric kidney, lateral plate mesoderm, tail fin mesenchyme, hindgut and proctodeum. xenopus_anatomy 2016-08-16T20:28:11Z ventral animal hemisphere blastomere NF stage 6 (32-cell)