Definition of cobalamin in English:

cobalamin

noun kə(ʊ)ˈbaləmɪnkōˈbôləmēn

Biochemistry

Any of a group of cobalt-containing substances including cyanocobalamin (vitamin B₁₂).
〔生化〕含钴物质
Example sentencesExamples
- It is unknown whether lowering plasma homocysteine levels with folic acid and cobalamin improves coronary endothelial function in patients.
- The enzyme catalyzes the first common step in the biosynthesis of the tetrapyrrole pigments such as chlorophyll and cobalamin.
- People absorb less cobalamin from foods that contain the vitamin - dairy products and fish - as they grow older.
- Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency.
- A deficiency of B12, or cobalamin, is also known to cause delays of motor and language skills in children.

Origin

1950s: blend of cobalt and vitamin.

Definition of cobalamin in US English:

cobalamin

nounkōˈbôləmēn

Biochemistry

Any of a group of cobalt-containing substances including cyanocobalamin (vitamin B₁₂).
〔生化〕含钴物质
Example sentencesExamples
- People absorb less cobalamin from foods that contain the vitamin - dairy products and fish - as they grow older.
- A deficiency of B12, or cobalamin, is also known to cause delays of motor and language skills in children.
- It is unknown whether lowering plasma homocysteine levels with folic acid and cobalamin improves coronary endothelial function in patients.
- The enzyme catalyzes the first common step in the biosynthesis of the tetrapyrrole pigments such as chlorophyll and cobalamin.
- Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency.

Origin

1950s: blend of cobalt and vitamin.

词汇	cobalamin
释义	Definition of cobalamin in English: cobalamin noun kə(ʊ)ˈbaləmɪnkōˈbôləmēn Biochemistry Any of a group of cobalt-containing substances including cyanocobalamin (vitamin B₁₂). 〔生化〕含钴物质 Example sentencesExamples It is unknown whether lowering plasma homocysteine levels with folic acid and cobalamin improves coronary endothelial function in patients. The enzyme catalyzes the first common step in the biosynthesis of the tetrapyrrole pigments such as chlorophyll and cobalamin. People absorb less cobalamin from foods that contain the vitamin - dairy products and fish - as they grow older. Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency. A deficiency of B12, or cobalamin, is also known to cause delays of motor and language skills in children. Origin 1950s: blend of cobalt and vitamin. Definition of cobalamin in US English: cobalamin nounkōˈbôləmēn Biochemistry Any of a group of cobalt-containing substances including cyanocobalamin (vitamin B₁₂). 〔生化〕含钴物质 Example sentencesExamples People absorb less cobalamin from foods that contain the vitamin - dairy products and fish - as they grow older. A deficiency of B12, or cobalamin, is also known to cause delays of motor and language skills in children. It is unknown whether lowering plasma homocysteine levels with folic acid and cobalamin improves coronary endothelial function in patients. The enzyme catalyzes the first common step in the biosynthesis of the tetrapyrrole pigments such as chlorophyll and cobalamin. Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency. Origin 1950s: blend of cobalt and vitamin.
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