secretin

(noun)

a peptide hormone, secreted by the duodenum, that serves to regulate its acidity

Related Terms

Examples of secretin in the following topics:

  • Hormonal Responses to Food

    • In order to neutralize the acidic chyme, a hormone called secretin stimulates the pancreas to produce alkaline bicarbonate solution and deliver it to the duodenum.
    • Secretin acts in tandem with another hormone called cholecystokinin (CCK).
    • Hormones, such as secretin and cholecystokinin, play important roles in digestive processes.

  • Pancreatic Juice

    • Pancreatic juice secretion is regulated by the hormones secretin and cholecystokinin.

  • Intestinal Phase

    • Chyme also stimulates duodenal enteroendocrine cells to release secretin and cholecystokinin.

  • Hormones of the Digestive System

    • Secretin is in the duodenum and signals the secretion of sodium bicarbonate in the pancreas and it stimulates the bile secretion in the liver.

  • Digestive Processes of the Small Intestine

    • The hormone secretin also causes bicarbonate to be released into the small intestine from the pancreas, neutralizing the potentially harmful acid coming from the stomach.

  • Gastrointestinal Reflex Pathways

    • These hormones fall into three major categories: the gastrin family, the secretin family, and a third family composed of the remaining hormones that fit into neither of the these two families.

  • Organs with Secondary Endocrine Functions

    • Some of the hormones produced include gastrin, secretin, and cholecystokinin, which are secreted in the presence of food.

  • Bacterial Transformation

    • In Gram-negative cells, due to the presence of an extra membrane, the DNA requires the presence of a channel formed by secretins on the outer membrane.

  • Digestive Properties of the Stomach

    • In a different and rare manner secretin, which is produced in the small intestine and primarily effects the pancreas, will also diminish acid secretion in the stomach.

  • Associated Organs

    • The exocrine function of the pancreas is controlled by the hormones gastrin, cholecystokinin, and secretin, which are hormones secreted by cells in the stomach and duodenum in response to food.