islet of Langerhans

UBERON:0000006 · pancreatic islet

Endocrine tissue of the pancreas secreting insulin and glucagon.

Where it sits

• part of endocrine system
• part of pancreas

What it does, and what normal looks like

• Keeping blood sugar steady

Markers that report on it

• Glucose regulated by
  Islet cells in the pancreas make insulin, the hormone that moves glucose out of the blood into cells.
• Hemoglobin A1c regulated by
  Beta cells in the islets make insulin, which helps control blood glucose, and HbA1c reflects average blood glucose.