The fetal endocrine pancreas.
D002454:Cell Differentiation; D005260:Female; D005934:Glucagon / Q000378:metabolism; D006801:Humans; D007231:Infant, Newborn; D007328:Insulin / Q000096:biosynthesis; D007515:Islets of Langerhans / Q000196:embryology* / Q000378:metabolism / Q000648:ultrastructure; D011247:Pregnancy; D011254:Pregnancy in Diabetics / Q000378:metabolism / Q000473:pathology
D007328:Insulin; D005934:Glucagon