Differences between Insulin and Glucagon

S.N Insulin S.N Glucagon 1. Secreted by red color β-cells of islets of Langerhans. 1. Secreted by green color α-cells of islets of Langerhans. 2. Decreases blood fatty acids. 2. Increases blood fatty acids. 3. Decreases blood glucose level. 3. Increases blood glucose level. 4. Over secretion leads to hypoglycemia. 4. Over secretion leads to … Read more

Gastrointestinal Hormones

Name of Hormones       Source of secretion Functions (Actions) 1.       Gastrin           G-cells in stomach TG cells in GI tract Islets in fetal pancreas Anterior pituitary Brain   Stimulates gastric secretion and motility. Promotes growth of gastric mucosa. Stimulates release of pancreatic hormones. Stimulates secretion of pancreatic juice. Stimulates secretion of … Read more

Major endocrine glands, their hormones and functions

Introduction The glands which do not have any duct are called ductless glands or endocrine glands. Literally, the term ‘endocrine’ means internally secreting. Their secretions are called internal secretions or hormones. These are released directly into the blood, which carries them to different parts of the body, and where they coordinate their metabolic activities. They … Read more