What is the most frequent cause of stomach ulcers and how...

What is the most frequent cause of stomach ulcers and how are these ulcers treated? Most ulcers result from norovirus infections, which can be killed with antiviral medications. Stress causes most ulcers, so stress-reduction methods such as meditation can treat them. Avoiding the spicy foods that cause most ulcers also helps treat established ulcers. The bacterium, $H. pylori$, which causes most ulcers, is killed with antibiotics.

Transcript

00:01 This video discusses about stomach ulcers.

00:04 The stomach is a digestive organ that forms the site of chemical digestion of food.

00:11 The chemical digestion of food in the stomach is mediated by enzymes as well as hydrochloric acid.

00:21 Apart from chemical digestion, the stomach also forms the site of absorption of certain molecules such as water, ethanol and amino acids the ph of the stomach is acidic and the value is approximately true this acidic ph of the stomach is due to the production of the hcl the hcl or the hydrochloric acid is secreted by the parietal cells of the stomach.

01:17 The secretion of hcl in the stomach is responsible for activation of enzymes such as proteases that are responsible for digestion of proteins in the stomach.

01:35 The wall of the stomach comprises of four layers.

01:39 The innermost layer is termed as mucosa that surrounds the lumen of the stomach.

01:46 The layer present next to the mucosa is termed as sub -nucosa.

01:53 The sub -mucosa of the stomach is surrounded by muscularis layer.

02:00 Outermost layer of the stomach wall is the cirrhosa.

02:06 The mucoza of the stomach contains the epithelial cells.

02:14 These cells are responsible for secretion of mucus that protects the stomach from the axiol.

02:32 Ulcers in the stomach are the sores that are formed in the lining of the stomach or the mucosa of the stomach...