prostaglandin e2 was the predominant prostaglandin ( pg ) released by cultured blastocysts ( about 1 fmol per blastocyst per hour ) , hourly rates of release of pgh2 ( derived ) and pgf2 alpha being near 0.1 and less than 0.06 fmol per blastocyst respectively .
C0012472
prostaglandin e2
C0033554
prostaglandin