New species may create new problems: norepinephrine in the heart of the avian embryo.
D000818:Animals; D002642:Chick Embryo / Q000378:metabolism*; D004295:Dihydroxyphenylalanine / Q000096:biosynthesis; D004298:Dopamine / Q000096:biosynthesis; D006321:Heart / Q000196:embryology*; D066298:In Vitro Techniques; D009206:Myocardium / Q000378:metabolism*; D009638:Norepinephrine / Q000096:biosynthesis*; D014316:Tritium; D014443:Tyrosine / Q000378:metabolism
D014316:Tritium; D014443:Tyrosine; D004295:Dihydroxyphenylalanine; D004298:Dopamine; D009638:Norepinephrine