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What is health effects can result from abnormal values of pH in stomach?
Gastric acid which is produced in the stomach gets neutralised by the food we eat and by the bile and the pancreatic juices. High levels of acidity can give rise to reflux oesophagitis, gastritis, gastric erosion, gastric and duodenal ulcers and this can lead to perforation and bleeding if the ulcers are not treated. Low acidity for prolonged periods can be a cause for stomach cancer.
Is enterokinase a component of pancreatic juice?
No; insulin is not considered part of pancreatic juice. Pancreatic juice is one of the two types of secretions that come from the pancreas. The juice is mostly water, but also contains important substances such as bicarbonate (a buffer used to decrease acidity), salt, and pancreatic enzymes (to digest food). A hormone called secretin stimulates the secretion of pancreatic juice, which enters the small intestine to have its main effect. The other major pancreatic secretions are hormonal. These include insulin, glucagon, and others. These hormones are secreted directly into the blood stream, as opposed to being secreted into the small intestine like the pancreatic juice. Insulin secretion is regulated by blood sugar levels.
What the difference between the gastric juice and pancreatic juice?
The gastric juice is mainly acidic and initiates breaking down the food into component parts and has a lot of mucus to provide lubrication. The pancreatic juice is basic (alkali) to neutralize the stomach acid and has enzymes to further break down the components and allow them to be absorbed.
What is an antipeptone?
An antipeptone is a product of gastric and pancreatic digestion, differing from hemipeptone in not being decomposed by the continued action of pancreatic juice.
Difference between free acidity and total acidity in gastric juice?
Gastric juice consists of hydrochloric acid, a strong acid along with many weak acids. Free acidity is a measure of acidity of hydrochloric acid alone but total acidity is a measure of combined acidity due to hydrochloric acid and many weak acids (organic acids and proteins).
What is the exocrine portion of the pancreas composed of?
There are 2 main types: duct cells and acinar cells. The acinar cells synthesize the enzymatic component of pancreatic secretions (pancreatic lipase, pancreatic proteases, and pancreatic amylase). The duct cells secrete the the aqueous component, which is primarily bicarbonate, though the concentration changes with flow rate and stage of digestion (cephalic, gastric, intestinal).
What is the role of the gastric juice?
mucus protects the epithelium for the acidity in the stomach.
Pancreatic juice is another digestive juice added in the small intestine It is product in the?
gastric juice
Is the structure of pancreatic lipase the same as gastric lipase?
No, the structure of pancreatic lipase is not the same as gastric lipase. While both enzymes are involved in the digestion of fats, they differ in their amino acid sequences, structural conformations, and mechanisms of action. Pancreatic lipase is more efficient in breaking down triglycerides in the small intestine, whereas gastric lipase functions primarily in the stomach. These structural differences reflect their distinct roles and environments in the digestive process.
What is the role of mucous found in the gastric juice?
mucus protects the epithelium for the acidity in the stomach.
What is the presence of lactic acid in gastric juice indicate?
nothing, its a normal component of gastric juice like HCl.
Why is gastric lipase NOT as active?
Gastric lipase is less active compared to pancreatic lipase because it primarily functions in the acidic environment of the stomach, which is not optimal for its activity. Pancreatic lipase, on the other hand, works in the alkaline environment of the small intestine where it is more efficient in breaking down lipids.
