develops from ends during starts during blastomere D2.2 blastomere D2.2.2 2016-08-16T20:28:11Z D2.2.2 xenopus_anatomy C2 Blastomere which lies lateral to blastomere D2.1.2, anterior to its sister cell, blastomere D2.2.1, in the third tier of blastomeres. It contributes cells to the epidermis, neural crest, brain, spinal cord, head mesoderm, somites, pronephric kidney, lateral plate mesoderm, tail fin mesenchyme, foregut, hindgut, with occasional cells in the liver and proctodeum observed. eriksegerdell XAO:0005103 dorsal vegetal hemisphere blastomere NF stage 6 (32-cell)