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alpha cell
This term is a precise medical and biological designation used primarily in endocrinology and histology. It describes a specific cell type within the pancreatic islets, distinguished from beta cells by its secretion of glucagon rather than insulin. The term is neutral in tone and is used almost exclusively in scientific, academic, or clinical contexts.
Because it refers to a discrete biological unit, the term follows standard English countability rules for anatomical structures. It is typically used in the singular when discussing cellular function and in the plural when discussing the composition of the islets of Langerhans.
Meanings
Examples
The alpha cell secretes glucagon to raise blood sugar levels during fasting.
Which cell in the pancreas is responsible for glucagon production? The alpha cell.
Which cell in the pancreas is responsible for glucagon production? The alpha cell.
I wonder if the alpha cell responds differently to glucose than the beta cell does.
Each alpha cell contains numerous secretory granules filled with glucagon.
The distribution of the alpha cell within the islet varies between species.
Look at the slide and identify the alpha cell using the specific stain.
Dysfunction of the alpha cell can lead to inappropriate glucagon secretion.
The alpha cell plays a critical role in maintaining glucose homeostasis.