beta cell

Thân thiện

A scientist examines a beta cell under a microscope.

Definition

1. Noun:
   • A cell that produces insulin in the islets of Langerhans in the pancreas: A beta cell is a type of endocrine cell located within the pancreatic islets. Its primary and defining function is the synthesis, storage, and secretion of the hormone insulin, which is crucial for regulating blood glucose levels.

Usage Examples

• Noun:
  • The destruction of beta cells is a key factor in the development of Type 1 diabetes.
  • Researchers are studying ways to regenerate or protect beta cell function.
  • Insulin is secreted directly into the bloodstream by the beta cells.

Advanced Usage

• "Beta cell mass": Refers to the total volume or number of insulin-producing beta cells in the pancreas.

  • A decline in beta cell mass is associated with the progression of Type 2 diabetes.

• "Beta cell function": Describes the capacity of beta cells to produce and release insulin appropriately in response to glucose.

  • The test measures beta cell function to assess pancreatic health.

Variants and Related Words

• Islet cell (n): A general term for any endocrine cell within the pancreatic islets, which includes alpha cells (glucagon), beta cells (insulin), delta cells (somatostatin), etc.

  • The tumor originated from an islet cell.

• Insulin-producing cell (n): A descriptive synonym for a beta cell.

  • The transplant aimed to introduce new insulin-producing cells.

Synonyms

• Insulin-secreting cell: A cell whose primary role is the secretion of insulin.
• B cell: An alternative, less common term in medical contexts (not to be confused with the immune system's B lymphocyte).

Related Phrases and Terms

• Beta cell autoimmunity: A condition where the body's immune system mistakenly attacks and destroys its own beta cells.

  • Beta cell autoimmunity is the underlying cause of Type 1 diabetes.

• Beta cell transplantation: A therapeutic procedure involving the transfer of beta cells, often to treat diabetes.

  • Beta cell transplantation holds promise for a diabetes cure.

Học thuật

Noun

1. a cell that produces insulin in the isles of Langerhans in the pancreas