Definition of ornithine in English:

ornithine

noun ˈɔːnɪθiːnˈôrnəˌTHēn

mass nounBiochemistry

An amino acid which is produced by the body and is important in protein metabolism.
〔生化〕鸟氨酸
Chemical formula: NH₂(CH₂)₃CH(NH₂)COOH
Example sentencesExamples
- He was undergoing treatment for ornithine transcarbamylase deficiency, a disorder that prevents the liver from effectively processing ammonia, a toxin produced in the breakdown of proteins.
- The trial was investigating a treatment for a genetic liver condition, where a gene for a liver enzyme, ornithine trans-carbamylase, is either missing or defective.
- This may occur in part as a result of pathologically elevated activity of arginase, an enzyme that hydrolyzes arginine to ornithine and urea.
- When your body doesn't digest protein completely, gut bacteria convert two of the amino acids in protein, arginine and ornithine, to compounds called polyamines.
- About 50-percent of ingested arginine is rapidly converted in the body to ornithine, primarily by the enzyme arginase.

Origin

Late 19th century: from ornitho- (with reference to a constituent found in bird excrement) + -ine⁴.

Definition of ornithine in US English:

ornithine

nounˈôrnəˌTHēn

Biochemistry

An amino acid which is produced by the body and is important in protein metabolism.
〔生化〕鸟氨酸
Chemical formula: NH₂(CH₂)₃CH(NH₂)COOH
Example sentencesExamples
- This may occur in part as a result of pathologically elevated activity of arginase, an enzyme that hydrolyzes arginine to ornithine and urea.
- When your body doesn't digest protein completely, gut bacteria convert two of the amino acids in protein, arginine and ornithine, to compounds called polyamines.
- He was undergoing treatment for ornithine transcarbamylase deficiency, a disorder that prevents the liver from effectively processing ammonia, a toxin produced in the breakdown of proteins.
- The trial was investigating a treatment for a genetic liver condition, where a gene for a liver enzyme, ornithine trans-carbamylase, is either missing or defective.
- About 50-percent of ingested arginine is rapidly converted in the body to ornithine, primarily by the enzyme arginase.

Origin

Late 19th century: from ornitho- (with reference to a constituent found in bird excrement) + -ine.

单词	ornithine
释义	Definition of ornithine in English: ornithine noun ˈɔːnɪθiːnˈôrnəˌTHēn mass nounBiochemistry An amino acid which is produced by the body and is important in protein metabolism. 〔生化〕鸟氨酸 Chemical formula: NH₂(CH₂)₃CH(NH₂)COOH Example sentencesExamples He was undergoing treatment for ornithine transcarbamylase deficiency, a disorder that prevents the liver from effectively processing ammonia, a toxin produced in the breakdown of proteins. The trial was investigating a treatment for a genetic liver condition, where a gene for a liver enzyme, ornithine trans-carbamylase, is either missing or defective. This may occur in part as a result of pathologically elevated activity of arginase, an enzyme that hydrolyzes arginine to ornithine and urea. When your body doesn't digest protein completely, gut bacteria convert two of the amino acids in protein, arginine and ornithine, to compounds called polyamines. About 50-percent of ingested arginine is rapidly converted in the body to ornithine, primarily by the enzyme arginase. Origin Late 19th century: from ornitho- (with reference to a constituent found in bird excrement) + -ine⁴. Definition of ornithine in US English: ornithine nounˈôrnəˌTHēn Biochemistry An amino acid which is produced by the body and is important in protein metabolism. 〔生化〕鸟氨酸 Chemical formula: NH₂(CH₂)₃CH(NH₂)COOH Example sentencesExamples This may occur in part as a result of pathologically elevated activity of arginase, an enzyme that hydrolyzes arginine to ornithine and urea. When your body doesn't digest protein completely, gut bacteria convert two of the amino acids in protein, arginine and ornithine, to compounds called polyamines. He was undergoing treatment for ornithine transcarbamylase deficiency, a disorder that prevents the liver from effectively processing ammonia, a toxin produced in the breakdown of proteins. The trial was investigating a treatment for a genetic liver condition, where a gene for a liver enzyme, ornithine trans-carbamylase, is either missing or defective. About 50-percent of ingested arginine is rapidly converted in the body to ornithine, primarily by the enzyme arginase. Origin Late 19th century: from ornitho- (with reference to a constituent found in bird excrement) + -ine.
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