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ornithine

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How to pronounce ornithine (audio)

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Dictionary definition of ornithine

A naturally occurring amino acid, which plays a crucial role in various biological processes.
"The body uses ornithine to convert ammonia into urea for elimination."

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Detailed meaning of ornithine

It is a non-proteinogenic amino acid, meaning it is not directly incorporated into proteins like the standard amino acids. Ornithine is primarily involved in the urea cycle, a metabolic pathway responsible for the detoxification of ammonia, a waste product produced during protein metabolism. In this cycle, ornithine acts as an intermediary molecule, facilitating the conversion of ammonia into urea, which can then be excreted from the body. Ornithine also serves as a precursor for the synthesis of other important compounds, such as polyamines, which play vital roles in cell growth, tissue repair, and immune function. While ornithine can be obtained through the diet, it is also produced endogenously in the body. Due to its involvement in key metabolic processes, ornithine holds significance in the fields of biochemistry, nutrition, and medicine.

Example sentences containing ornithine

1. Ornithine is an essential component of the urea cycle.
2. Ornithine supplements are sometimes used to support liver health.
3. The level of ornithine in the blood can be an indicator of certain metabolic disorders.
4. Ornithine plays a role in the synthesis of polyamines, important molecules for cell growth.
5. Research suggests that ornithine may have potential benefits for muscle recovery and fatigue reduction.
6. Ornithine is naturally present in foods like meat, fish, and dairy products.

History and etymology of ornithine

The noun 'ornithine' has its etymology rooted in the Greek word 'ornis,' meaning 'bird.' It was named as such because it was first discovered in the urine of birds. 'Ornithine' is a naturally occurring amino acid and plays a crucial role in various biological processes, including the urea cycle, which is responsible for the detoxification of ammonia in the body. This amino acid got its name due to its initial identification in birds, and the suffix '-ine' is often used in chemistry to denote substances or compounds. Thus, the etymology of 'ornithine' highlights its origin in the study of birds and its subsequent significance in understanding metabolic processes in various organisms, including humans.

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Further usage examples of ornithine

1. Some studies have explored the potential use of ornithine in promoting wound healing.
2. The ornithine decarboxylase enzyme is involved in the breakdown of ornithine.
3. Ornithine supplementation has been investigated for its potential effects on improving sleep quality.
4. Ornithine deficiency can lead to disruptions in the urea cycle and elevated levels of ammonia.
5. Ornithine transcarbamylase deficiency is a rare genetic disorder affecting the urea cycle.
6. Ornithine is a non-protein amino acid found in the body.
7. This amino acid plays a crucial role in the urea cycle.
8. Ornithine is involved in the detoxification of ammonia.
9. It helps convert ammonia into urea, which can be excreted.
10. Ornithine supplementation is sometimes used in sports nutrition.
11. Some research suggests ornithine may support muscle recovery.
12. Ornithine is naturally found in foods like meat and fish.
13. It's considered a non-essential amino acid, meaning it can be produced by the body.
14. Ornithine is also involved in the production of collagen.
15. Its role in wound healing and tissue repair is significant.

acid,amino,ammonia,molecule,polyamine,urea

eb68db_b5156883d6d84ffc84aabe214b243f3b.mp3

amino acid, carbohydrate, fat, mineral

compound,deficiency,enzyme,metabolism,supplement,synthesis

SAT 6 (Scholastic Assessment Test), Biological and Geological Sciences, Anatomy and Biology

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