How do digestive enzymes enter the small intestine? has it got something to with the scpinter of odi?

Question

How do digestive enzymes enter the small intestine? has it got something to with the scpinter of odi?

Answer 1

Some of the enzymes reaching the guy will be due to secretions from the stomach; this will be the enzyme pepsin. Any salivary amylase will likely have been digested in the stomach.

The vast majority of enzymes will be released by the pancreas just as the food enters the ileum (the initial stretch of the small intestine, where the majority of food absorption takes place).

Answer 2

Digestive enzymes such as protease, lipase, amylase and nuclease entre the small intestine from the pancrease. The release of these enzymes is controlled by the sphincter of Oddi. This sphincter controlds a common pathway where ducts from the pancrease, gallbladder and liver meet.  

The gallbladder and liver are responosible for providing bile, which helps wiht the emulsion of fats for easy digestion. The pancrease also releases bicarbonate which decreases the acidity of the chyme (foodstuff) coming from the stomach.

Thing to note:

Most digesting happens in the small intestine, although some digestive enzymes such as amylase and pepsin (protein digest) are secreted earlier, not a whole lot is done until food reaches the small intestine.