In this article we will discuss about:- 1. Actions of Glucagon 2. Regulation of Secretion of Glucagon 3. Features. Glucagon is a peptide hormone. It is secreted by alpha or A cells of islets of Langerhans. Unlike insulin which is a hypoglycemic agent, glucagon is a hyperglycemic agent. Actions of Glucagon: 1. Carbohydrate metabolism 2. Fat metabolism On Carbohydrate Metabolism: [...]
In this article we will discuss about the actions of antidiuretic hormone and actions of oxytocin hormones that are secreted by posterior pituitary hormones. Posterior pituitor, gland is also known as neurohypophysis. The hormones of posterior pituitary gland are synthesized in the neurons of the hypothalamus. The two different groups of neurons in the hypothalamus, which synthesize these hormones are, [...]
In this article we will discuss about the functions of ionic calcium. i. Maintenance of RMP: Because of this, the excitability of neuron and muscle is maintained. A decrease in calcium ion level increases the excitability and vice versa when calcium ion level decreases. ii. N-M transmission: It plays an important role in conduction of impulse across neuromuscular junction. The [...]