GHRH or growth hormone-releasing hormone stimulates the production and release of growth hormone (GH or HGH) from the pituitary gland. GHRH is... View Article
FSH is a gonadotropin hormone, which is secreted from the anterior pituitary. It stimulates gonadal activity along with the other gonadotropin,... View Article
Spermatogenesis is stimulated by androgens and FSH. GnRH released from the hypothalamus stimulates the secretion of gonadotropins from the... View Article
Gluconeogenesis is the process by which glucose is produced from noncarbohydrate sources. It occurs when dietary intake of carbohydrate is low or... View Article
Glycolysis is a ten-step process, where glucose is broken down into 2 molecules of pyruvate. Seven steps of glycolysis are reversible and three... View Article
In glycogenolysis, glycogen is converted to glucose, whereas in gluconeogenesis, glucose is formed from noncarbohydrate sources such as proteins,... View Article
Adrenal insufficiency refers to the underproduction of hormones secreted by the adrenal cortex, i.e. cortisol, aldosterone, etc. Addison's... View Article
Gluconeogenesis is the formation of glucose from noncarbohydrate sources. The rate of gluconeogenesis increases when the blood sugar level is... View Article
The pituitary gland is controlled by the hypothalamus. Releasing hormones such as gonadotropin-releasing hormone (GnRH), thyrotropin-releasing... View Article
Microvilli are the tiny projections in the cell lining the villi. It increases the surface area of absorption thereby increasing absorption.... View Article
Gastrin is a hormone secreted by G cells in the gastrointestinal tract. It acts on gastric glands and stimulates the secretion of HCl and... View Article
The stomach has four major parts: the oesophagus opens into the cardiac region, followed by fundic and the body region. The pyloric region opens... View Article
A small change in the protein shape can make it dysfunctional. E.g. enzymes are highly specific and if the active sites are altered, enzymes... View Article
Cholecystokinin is a hormone secreted by the cells in the duodenum. It stimulates the secretion of the gallbladder and pancreas. Also Check:... View Article
Enterokinase is secreted by intestinal mucosa in the duodenum. It converts trypsinogen to trypsin, which is the active form. This results in... View Article
Trypsin is a proteolytic enzyme secreted by the pancreas as trypsinogen (inactive form). It hydrolyses the peptide bonds present in proteins,... View Article
Chymotrypsin is the active form and chymotrypsinogen is the inactive form. Trypsin activates chymotrypsinogen. It is secreted by the pancreas.... View Article
Protein cleavage is the breakdown of peptide bonds present between amino acids in the polypeptide chain. Proteolytic enzymes break proteins into... View Article