What does secretin mean?
Secretin is a hormone that plays a vital role in the digestive system. It is released by the duodenum in response to acidic chyme from the stomach and stimulates the pancreas to secrete bicarbonate-rich fluids. This helps to neutralize the acidity and create an environment conducive to further digestion and absorption of nutrients. Understanding secretin is essential for comprehending the complex processes involved in digestion and nutrient uptake. The hormone's regulatory function makes it a significant area of study in fields like gastroenterology and endocrinology.
nounA hormone that stimulates the pancreas to secrete bicarbonate-rich fluids to neutralize acidity in the duodenum.
- A hormone involved in digestion
- A chemical messenger in the gastrointestinal system
"The release of secretin is triggered by the presence of acidic chyme in the small intestine."
"The hormone secretin plays a crucial role in maintaining the proper pH in the small intestine."
"Secretin is released in response to acidic chyme from the stomach."
Rarely used; mostly in scientific or technical contexts when referring to multiple types or instances.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of secretin
The term 'secretin' was first identified in the early 20th century. It originates from the Latin word 'secretum,' meaning 'that which is separated or set apart,' reflecting its role in stimulating secretions in the pancreas. The discovery of secretin marked a significant milestone in understanding hormonal regulation of digestion.
How secretin is actually used
Formal or technical contexts, often in biology, medicine, or physiology.