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Questions and Answers
Which of the following cells produce somatostatin?
Which of the following cells produce somatostatin?
- δ-cells (correct)
- Thyroid cells
- PP cells
- Adrenal cells
What is the primary function of PP cells in the pancreas?
What is the primary function of PP cells in the pancreas?
- To store bile
- To decrease blood sugar levels
- To produce digestive enzymes
- To regulate pancreatic secretions (correct)
Which hormones are produced by thyroid cells?
Which hormones are produced by thyroid cells?
- Adrenaline and noradrenaline
- Somatostatin and gastrin
- Insulin and glucagon
- Thyroxine (T4) and triiodothyronine (T3) (correct)
Which statement best describes the influence of somatostatin on the digestive process?
Which statement best describes the influence of somatostatin on the digestive process?
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How do δ-cells compare to β cells in terms of granule size?
How do δ-cells compare to β cells in terms of granule size?
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Study Notes
Cell Types and Functions
- δ-cells are characterized by smaller, more compact granules compared to β-cells, indicating a specific role in hormonal production.
- Somatostatin serves as an important hormone that decreases stomach acid secretion by inhibiting the release of gastrin, secretin, and histamine, thereby slowing down the digestive process.
- PP cells (Pancreatic Polypeptide cells) found in the Islets of Langerhans are responsible for producing pancreatic polypeptide, which regulates various pancreatic secretions and digestive processes.
- Thyroid cells located in the thyroid gland produce two key hormones: thyroxine (T4) and triiodothyronine (T3), both of which are crucial for regulating metabolism and energy levels in the body.
- Adrenal cells, residing in the adrenal gland, consist of two distinct types that play vital roles in stress response and metabolic regulation.
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