The hormone secretin is released by endocrine cells in the duodenal mucosa in response to duodenal pH changes
Hormones can be defined as those chemical substances or messangers which are produced by the endocrine glands and are released to the sites where they are needed in the body.
Below are examples of some hormones:
So therefore, the hormone secretin is released by endocrine cells in the duodenal mucosa in response to low duodenal pH changes
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