GLYCOGEN Meaning and
Definition
-
Glycogen is a complex carbohydrate that serves as a form of energy storage in animals, including humans. It is composed of multiple glucose molecules that are chemically bonded together in a branched structure, forming a large polysaccharide molecule.
This biological compound is primarily stored in liver and muscle cells, where it serves as a readily available source of glucose for energy production during periods of heightened physical activity or low blood sugar levels. Glycogen can be broken down into glucose molecules through a process called glycogenolysis, which is facilitated by enzymes such as glycogen phosphorylase.
The storage and release of glycogen in the body are regulated by various hormonal and signaling mechanisms. Insulin is responsible for stimulating the synthesis of glycogen in response to increased glucose levels in the blood, while glucagon and epinephrine promote the breakdown of glycogen to release glucose into the bloodstream.
Glycogen plays a critical role in maintaining blood glucose levels within a narrow range, thus providing energy to various tissues and organs, particularly during periods of increased demand. It acts as an essential energy reservoir, ensuring a constant supply of glucose when dietary intake is insufficient or during prolonged periods of fasting or physical exertion. The liver, in particular, is responsible for regulating blood glucose levels by storing and releasing glycogen as needed to meet the body's energy demands.
-
A carbohydrate (C6H10O5) found in most of the actively functioning cells of the body, especially those of the liver and muscular tissue; it is readily converted into glucose; animal starch.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for GLYCOGEN
Etymology of GLYCOGEN
The word "glycogen" is derived from Greek roots.
The root "glyco-" comes from the Greek word "glukus", meaning "sweet" or "sugar". This root is also seen in other words related to sugar, such as glucose or glycolysis.
The root "-gen" is derived from the Greek word "gennan", which means "to produce" or "to create". This root is commonly used to indicate a substance that is generated or produced.
Therefore, the term "glycogen" combines these two roots to describe a substance that is produced or generated from sugar. Glycogen is a polysaccharide, commonly known as the storage form of glucose in animals, including humans. It is found mainly in the liver and muscles and serves as a source of energy during periods of fasting or intense physical activity.
Similar spelling words for GLYCOGEN
Infographic
Add the infographic to your website:
