Ultrastructural changes of the endocrine pancreas in pregnant rats.
The ultramicroscopic appearence of the B-cell of the pregnant rat suggests hyperinsulinism of the individual beta cell. In pregnant rats the B-cell contains an increased volume and an increased number of light granules as well as enlarged mitochondria.
D000818:Animals; D001699:Biometry; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005260:Female; D007515:Islets of Langerhans / Q000648:ultrastructure*; D008933:Mitochondrial Swelling; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats