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Hormone in Biological Definition

Hormone

... A hormone (from Greek horman - "to set in motion") is ... system and tissue type in a human or animal body. hormone molecules are secreted (released) directly into ... signal transduction of the receiving tissue. hormone actions vary widely, but can include stimulation ...

Insulin

... in the pancreas ) is a polypeptide hormone that regulates carbohydrate metabolism . Apart ... effect is the result of many factors, of which hormone regulation is the most important. There are two ... hormones (such as glucagon , growth hormone , and adrenaline ), which increase blood ...

Signal transduction

... 3.1 Transmembrane receptors 3.1.1 hormone recognition by transmembrane receptors 3.1.2 ... 4.1 Signal amplification at the transmembrane hormone receptor 5 Intracellular signal ... the following steps: Biosynthesis of a hormone Storage and secretion of the hormone. ...

Anabolism

... as anabolic or catabolic. Classic anabolic hormones include Growth hormone IGF1 and other insulin-like growth factors Insulin ... the catabolic and anabolic states include Orexin and Hypocretin (a hormone pair) Melatonin See also Anabolic steroids ...

Anabolism

... as anabolic or catabolic. Classic anabolic hormones include Growth hormone IGF1 and other insulin-like growth factors Insulin ... the catabolic and anabolic states include Orexin and Hypocretin (a hormone pair) Melatonin See also Anabolic steroids ...

Diabetes mellitus

... and types The role of insulin Since insulin is the principal hormone that regulates uptake of glucose into cells (primarily muscle and fat ... islets of Langerhans of healthy dogs 8 . They went on to isolate the hormone insulin from bovine pancreases at the University of Toronto in Canada. ...

Digestion

... pancreas and it stimulates the bile secretion in the liver . This hormone responds to the acidity of the chyme. Cholecystokinin (CCK) - is in ... pancreas and stimulates the emptying of bile in the gall bladder . This hormone is secreted in resonse to fat in chyme. Gastric inhibitory peptide ...

Growth curve

... range of growth curves for body height [2] can be tested for growth hormone deficiency and might be treatable with hormone injections [3] . Exponential growth Some growth curves for certain ...

Peptide

... three amino acids. A dipeptide has two amino acids. A peptide hormone is a peptide that acts as a hormone . See also Peptide synthesis Ribosome External ...

Peptide

... three amino acids. A dipeptide has two amino acids. A peptide hormone is a peptide that acts as a hormone . See also Peptide synthesis Ribosome External ...

Amino acid

... 1-Aminocyclopropane-1-carboxylic acid ( ACC ) is a small disubstituted cyclic amino acid and a key intermediate in the production of the plant hormone ethylene . In addition to amino acids for protein synthesis, there are other biologically important amino acids, such as the neurotransmitters ...

Ecdysone

... Ecdysone is a prohormone of the major insect moulting hormone 20-hydroxyecdysone . Insect moulting hormones (ecdysone and its homologues) are generally called ecdysteroids . Ecdysteroids act as moulting ...

Homeobox

... the right is a structural model of the Rattus norvegicus Pit-1 homeobox-containing protein (purple) bound to DNA. Pit-1 is a regulator of growth hormone gene transcription. Pit-1 is a member of the POU DNA-binding domain family of transcription factors so it can bind to DNA using both the POU domain ...

Nephron

... , phosphates , and so on) according to the body's needs under hormonal control , or from anti-diuretic hormones , aldosterone , parathyroid hormone , atrial-natriuretic peptide and others. In this process urine is produced, and in doing so, eliminates wastes from the body, regulates blood ...

Osmoregulation

... in human osmoregulation. Kidneys regulate the amount of water in urine waste. With the help of naturally producing hormones such as antidiuretic hormone , aldosterone , and angiotensin II , the human body can increase permeability of the collecting ducts in the kidney to reabsorb water and prevent ...

Protein

... The dividing line is somewhat undefined, although a polypeptide may be less likely to have tertiary structure and may be more likely to act as a hormone (like insulin ) rather than as an enzyme or structural element. Proteins are generally classified as soluble, filamentous or membrane-associated ...

Proteome

... proteome is the collection of proteins found in a particular cell type under a particular set of environmental conditions such as exposure to hormone stimulation . It can also be useful to consider an organism's complete proteome . The complete proteome for an organism can be conceptualized as the ...

Receptor

... informative nerve impulse . In biochemistry , a receptor is a protein molecule that receives and responds to a specific neurotransmitter , hormone , or other substance. In immunology , a receptor is the region of an antibody which shows recognition of an antigen . ...

Transmembrane receptor

... of the membrane. By definition. a receptor's main function is to recognize and respond to a specific ligand, for example, a neurotransmitter or hormone (although certain receptors respond also to changes in transmembrane potential ), and in many receptors these ligands bind to the extracellular ...
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