Protein signalling in heart development Protein signalling in heart development The heart is the first functional organ in a vertebrate embryo. There are 5 stages to heart development. Specification of cardiac precursor cells: The lateral plate mesoderm delaminates to form two layers: the dorsal somatic (parietal) mesoderm and the ventral splanchnic (visceral) mesoderm. The heart precursor cells come from the two regions of the splanchnic mesoderm called the cardiogenic mesoderm. These cells can differentiate into endocardium which lines the heart chamber and valves and the myocardium which forms the musculature of the ventricles and the atria. The heart cells are specified in anterior mesoderm by
For We Are Many For We Are Many For We Are Many (sometimes written as …For We Are Many) is the fifth studio album by the heavy metal band All That Remains. Released on October 12, 2010, it is the third album by the band to be produced by the Killswitch Engage guitarist, Adam Dutkiewicz, who also produced "This Darkened Heart" and "The Fall of Ideals". "For We Are Many" is the first All That Remains album to contain the same line-up as the preceding album, a tradition that would continue up through 2015's "The Order of Things". On August 18, 2010, the band