2007-04-11 14:02:18 · 14 answers · asked by Anonymous in Science & Mathematics ➔ Biology
The stomach lining has a protective lining. An ulcer is when a hole develops in the lining; otherwise, the stomach would digest itself
2007-04-11 14:06:01 · answer #1 · answered by Experto Credo 7 · 0⤊ 0⤋
The inside of the stomach has a nice mucous lining that protects it from stomach acids. Ulcers (sores in the stomach lining itself) can start when something -- stress, bacterial infection -- causes the mucous lining to break down or the cells that produce the mucous are somehow damaged.
Good question!
2007-04-11 21:07:29 · answer #2 · answered by Char 3 · 1⤊ 0⤋
Sometimes it does. That's called an ulcer. There are protective measures at work, though. There is a coating of the lining of the stomach that protects it somewhat. This barrier prevents certain enzymatic activity, and also prevents the low pH from damaging the stomach.
2007-04-11 21:09:04 · answer #3 · answered by misoma5 7 · 0⤊ 1⤋
The stomach has multiple linings. It is protected from the inside and out.
2007-04-11 21:07:50 · answer #4 · answered by Christina911 2 · 1⤊ 0⤋
The stomach's lining is protective, and a feedback mechanism makes sure that the pH doesn't drop below a certain level.
2007-04-11 21:04:50 · answer #5 · answered by ecolink 7 · 0⤊ 0⤋
Layers and layers of mucosa, submucosa, smooth muscle tissue & serosa line the stomach wall. And hormones such as secretin, GIP, gastrin... regulates gastric acid & mobility preventing the acid from destroying the lining of the stomach wall.
2007-04-11 21:57:39 · answer #6 · answered by Lami 3 · 0⤊ 0⤋
Specialized cells in the stomach produce musous which protects the stomach from its own acids
2007-04-11 21:05:48 · answer #7 · answered by Amy 1 · 1⤊ 0⤋
There is a mucas lining the inside of the stomach.
2007-04-11 21:04:55 · answer #8 · answered by Nate 3 · 0⤊ 0⤋
because there is a protective layer of mucus on the stomachs lining
2007-04-11 21:34:52 · answer #9 · answered by queen lalapalusaoflalapalusaland 2 · 0⤊ 0⤋
#1 mucous lining
#2 the chemical responsible for digestion, pepsin, is not in its active form before it is secreted; hydrochloric acid activates pepsinogen, turning it into pepsin-hydrochloric acid is produced by parietal cells, and pesinogen is produced by chief cells, so the two don't mix before secretion
2007-04-11 21:43:12 · answer #10 · answered by ? 4 · 0⤊ 0⤋