Absorption is the process by which the end products of digestion pass through the intestinal epithelium and enter the blood stream. Attempts have been made to explain the mechanism of absorption on the basis of known physico-chemical principles. The following factors are believed to be involved in the process: i. Diffusion: This depends upon the relative concentration of the substances [...]
The different forms in which proteins digestion are taken in diet are as follows: 1. Gastric Juice 2. Pancreatic Juice 3. Succus Entericus 4. Nucleoprotein 5. Caseinogen (Milk) 6. Collagen and Gelatin 7. Mucin. 1. Digestion in the Gastric Juice: Pepsin is the proteolytic enzyme of gastric juice. It acts with the help of HCI and converts all digestible proteins [...]
The following types of movements are found in the human small intestine: 1. Rhythmic segmentation or Ludwig's pendulum 2. Peristalsis. Type # 1. Rhythmic Segmentation: Nature: These are rings of contraction occurring at regular space of intervals in which a portion of the intestine is divided into segments. The contraction is followed by relaxation. The contraction takes place at the [...]