Biology A-Level
Glucagon and α cells
What Glucagon and α cells means in Biology A-Level, as defined for OCR.
Definition of Glucagon and α cells
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Reference: OCR
Cells that detect a fall in blood glucose and secrete glucagon, which acts mainly on liver cells to stimulate glycogenolysis and gluconeogenesis, raising blood glucose.
Topics that use Glucagon and α cells
- Hormonal communication (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Blood glucose and salt balance
- Blood transport of hormones
- Endocrine signalling
- Exocrine versus endocrine organisation of the pancreas
- Insulin and β cells
- Insulin resistance
- Islets of Langerhans and their cell types
Using Glucagon and α cells in the exam
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