gluconeogenesis
noun
glu·co·neo·gen·e·sis
ˌglü-kə-ˌnē-ə-ˈje-nə-səs 
: formation of glucose within the animal body especially by the liver from substances (such as fats and proteins) other than carbohydrates
Examples of gluconeogenesis in a Sentence
Recent Examples on the Web
These enzymes play critical roles in gluconeogenesis—the creation of glucose from noncarbohydrate sources like fats and proteins.
—
Jillian Kubala, Health, 5 Feb. 2025
Normally, when the body has finished digesting and is entering a fasting state, a molecule known as glucagon gets released, this then stimulates the liver to take the glycogen and turn it into usable glucose through a process known as gluconeogenesis.
—Amber Smith, Discover Magazine, 19 Sep. 2023
That's because your body uses a metabolic pathway called gluconeogenesis, according to the National Library of Medicine.
—Christine Byrne, Health, 11 Apr. 2023
The backward flow—taking up two three-carbon molecules to make a sugar—is called gluconeogenesis.
—Viviane Callier, Scientific American, 24 Feb. 2023
In hummingbirds, loss of a key gene in gluconeogenesis makes their muscles very efficient at breaking down sugars for energy, a requirement for hovering flight.
—Viviane Callier, Scientific American, 24 Feb. 2023
In other words, the body destroys muscle to make glucose and the process is called gluconeogenesis.
—Bryant Stamford, The Courier-Journal, 16 June 2022
Glucagon also initiates a process known as gluconeogenesis, which is the synthesis of glucose from nondietary sources.
—Mckale Montgomery, The Conversation, 19 May 2022
The peripheral nerves connect to the brain, which regulates gluconeogenesis in the intestine, illustrating the existence of an active bi-directional gut–brain axis making a positive contribution to our energy balance.
—Enea Rezzonico, Scientific American, 17 Feb. 2015
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Jillian Kubala, Health, 5 Feb. 2025
Normally, when the body has finished digesting and is entering a fasting state, a molecule known as glucagon gets released, this then stimulates the liver to take the glycogen and turn it into usable glucose through a process known as gluconeogenesis.
—Amber Smith, Discover Magazine, 19 Sep. 2023
That's because your body uses a metabolic pathway called gluconeogenesis, according to the National Library of Medicine.
—Christine Byrne, Health, 11 Apr. 2023
The backward flow—taking up two three-carbon molecules to make a sugar—is called gluconeogenesis.
—Viviane Callier, Scientific American, 24 Feb. 2023
In hummingbirds, loss of a key gene in gluconeogenesis makes their muscles very efficient at breaking down sugars for energy, a requirement for hovering flight.
—Viviane Callier, Scientific American, 24 Feb. 2023
In other words, the body destroys muscle to make glucose and the process is called gluconeogenesis.
—Bryant Stamford, The Courier-Journal, 16 June 2022
Glucagon also initiates a process known as gluconeogenesis, which is the synthesis of glucose from nondietary sources.
—Mckale Montgomery, The Conversation, 19 May 2022
The peripheral nerves connect to the brain, which regulates gluconeogenesis in the intestine, illustrating the existence of an active bi-directional gut–brain axis making a positive contribution to our energy balance.
—Enea Rezzonico, Scientific American, 17 Feb. 2015
Cite this Entry
“Gluconeogenesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gluconeogenesis. Accessed 21 Jul. 2025.
Copy CitationMedical Definition
gluconeogenesis
noun
glu·co·neo·gen·e·sis
ˌglü-kə-ˌnē-ə-ˈjen-ə-səs
plural gluconeogeneses
-ˌsēz
: formation of glucose within the animal body from precursors other than carbohydrates especially by the liver and kidney using amino acids from proteins, glycerol from fats, or lactate produced by muscle during anaerobic glycolysis
called also glyconeogenesis
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