Instability of pancreatic endocrine cell populations throughout life.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005934:Glucagon / Q000378:metabolism; D006801:Humans; D007223:Infant; D007328:Insulin / Q000378:metabolism; D000078790:Insulin Secretion; D007515:Islets of Langerhans / Q000166:cytology*; D010191:Pancreatic Polypeptide / Q000378:metabolism
D007328:Insulin; D010191:Pancreatic Polypeptide; D005934:Glucagon