On closer study it is found that pancreatic secretion consists of two phases: 1. Nervous Phase 2. Chemical Phase. 1. Nervous Phase: Pancreatic secretion starts 1—2 minutes after taking food. When the vagi are cut, the secretion is abolished. This proves that the initial phase of pancreatic secretion is a reflex response. The stimulus for this reflex arises in the [...]
Gastric secretion has divided into four phases: 1. Nervous Phase 2. Gastric Phase 3. Intestinal Phase 4. Interdigestive Phase. 1. Nervous Phase: A pouch of Pavlov is prepared in a dog and upon the same animal oesophagus is divided, as done in the experiment of sham feeding. The food, swallowed by the animal, comes out through the cut end of [...]
In this article we will discuss about the meaning and development of pancreas in human body with the help of suitable diagram. Meaning of Pancreas: The pancreas is both an endocrine as well as exocrine gland. It is devoid of distinct connective tissue capsule and is covered by a fine layer of the loose tissue which passes into the gland [...]