Tag Archives | Human Body

Gastro-Intestinal Hormones of Human Body | Digestive System | Biology

In this article we will discuss about the interactions and metabolic effects of gastro-intestinal hormones. Interactions of Gastro-Intestinal Hormones: As gastrin stimulates acid secretion, it probably combines with specific receptor sites on the effector cells. When the concentration of gastrin is high, many receptor sites are occupied and when this concentration is low, few receptor sites are occupied. This relationship [...]

By |2017-07-27T08:05:36+00:00July 27, 2017|Gastro-Intestinal Hormones|Comments Off on Gastro-Intestinal Hormones of Human Body | Digestive System | Biology
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Secretions in the Gastro-Intestinal Tract | Digestive System | Human | Biology

The various humoral (chemical) factors controlling the different secretions in the gastro-intestinal tract may be summarised as follows: 1. For Gastric Secretion: i. Gastrin- Responsible for gastric phase. ii. A chemical substance may be a hormone or secretagogue - Responsible for intestinal phase. iii. Enterogastrone- Inhibits gastric secretion. 2. For Pancreatic Secretion: i. Secretin- Main chemical stimulus. ii. Pancreozymin. iii. [...]

By |2017-07-27T08:05:36+00:00July 27, 2017|Digestive System|Comments Off on Secretions in the Gastro-Intestinal Tract | Digestive System | Human | Biology
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Composition and Functions of Various Digestive Juice| Human | Biology

There are five digestive juices; saliva, gastric juice, pancreatic juice, succus entericus (intestinal juice) and bile. The necessity for so many digestive juices is that -(a) One juice does not contain all the enzymes necessary for digesting all the different types of foodstuffs. For instance, saliva contains only carbohydrate-splitting enzymes; whereas gastric juice contains both fat- and protein -splitting enzymes [...]

By |2017-07-27T08:05:35+00:00July 27, 2017|Digestive Juice|Comments Off on Composition and Functions of Various Digestive Juice| Human | Biology
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