title: Ultrastructure and insulin content of the endocrine pancreas in the human fetus.
mesh_terms: D003594:Cytoplasmic Granules; D005260:Female; D005333:Fetus / Q000033:anatomy & histology*; D006801:Humans; D007328:Insulin / Q000032:analysis*; D007515:Islets of Langerhans / Q000166:cytology* / Q000196:embryology; D008854:Microscopy, Electron; D011247:Pregnancy
chemical_list: D007328:Insulin