下のデータは中胚葉マーカーの染めわけが美しい。

Fig. 6.　Siamois and Twin function redundantly in axial development and organizer formation.

Dev Biol. 2011 Feb 3;352(2):367–381. doi: 10.1016/j.ydbio.2011.01.034 Siamois and Twin are redundant and essential in formation of the Spemann organizer Sangwoo Bae a,b,c, Christine D Reid a,c, Daniel S Kessler a,*　https://pmc.ncbi.nlm.nih.gov/articles/PMC3065516/