Prosecretine is a word used to describe a hormone precursor that promotes the secretion of other hormones. Its spelling can be broken down using the International Phonetic Alphabet (IPA) as /proʊ sɛkrɪtiːn/. The first syllable, "pro," is pronounced like "proh." The second syllable, "secre," is pronounced like "seeker," with a short "e" sound followed by a hard "k" sound. The final syllable, "tine," rhymes with "fine," and has a long "e" sound. This tricky word is an example of just how complex English pronunciation can be.
Prosecretine is a term that refers to a prohormone substance found in the gastrointestinal system. It is mainly produced in the mucous cells of the gastric and duodenal mucosa. Prosecretine is an inactive precursor to the hormone secretin, which is responsible for regulating the secretion of various digestive enzymes and bicarbonate ions in the body.
The secretion of prosecretine occurs in response to the presence of acidic chyme within the duodenum or the stomach. When the prosecretine is released into the bloodstream, it is then converted into the active hormone secretin by proteolytic enzymes present in the blood and on the plasma membranes of the cells.
Secretin, derived from prosecretine, plays a vital role in the regulation of digestion. It stimulates the pancreas to secrete bicarbonate ions, which helps neutralize the acidity of the chyme and creates an optimal pH for the function of digestive enzymes. Furthermore, secretin also inhibits the secretion of gastric acid from the stomach, promoting the overall regulation of digestive processes.
Overall, prosecretine is an essential prohormone precursor to secretin, a hormone that regulates various aspects of the digestive system. Its secretion is triggered by the presence of acidic chyme and plays a crucial role in maintaining the balance and efficiency of the digestive process.
Unactivated secretine.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.