Layers of Stomach
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In context with the adaptations of the stomach in humans, fill in the blanks by choosing the correct option :
The stomach in humans is lined with an extra layer of (i)__________ for better mixing and churning of food. It even has numerous folds called (ii)________ to increase the area of absorption with many inner mucosal secretory glands called (iii)_________for the production of enzymes and has specially formulated (iv) ________ to protect the walls of the stomach from the action of HCl.
i).➡ Rugae, ii).➡ Gastric glands, iii).➡ Mucus, iv). ➡ Muscle
i).➡ Gastric glands, ii).➡Mucus, iii).➡ Muscle, iv). ➡ Rugae
i).➡ Muscle, ii).➡ Rugae, iii).➡ Gastric glands, iv). ➡ Mucus.
i).➡ Mucus, ii).➡ Muscle, iii).➡ Rugae, iv). ➡ Gastric glands
- There are three parts of stomach named as cardia, body and pylorus.
- Pylorus has two regions. Pylorus opens into small intestine through the pyloric orifice.
- Stomach is the food reservoir and it digests food only chemically with the help of enzymes.
- Pyloric sphincter is located in the pyloric orifice. It is made up of a thick band of circular muscles.
- Fundus
- Body
- Cardia
- Pylorus
- rugae
- oblique muscles
- gastric glands
- HCl
- Oblique muscle
- Rugae
- Gastric gland
- Foveolar layer mucus
- Parietal cell secretion blocked: Proteins are not hydrolyzed and decrease in RBC population
- Congenital absence of enterokinase: Carbohydrate digestion
- Cholecystectomy: Difficulty in digestion of fat-rich food
- Goblet cells non-functional: Smooth movement down the intestine affected