a description is given of the electron microscopic-morphometric findings obtained for the islets of langerhans of the pancreas and for the glucagon-producing a cells of one patient suffering from longstanding insulin-dependent diabetes mellitus ( iddm , type i diabetes ) , two patients with longstanding insulin-independent diabetes mellitus ( niddm , type ii diabetes ) , and one non-diabetic .
C0022131
islets of langerhans
C0011854
type i diabetes