liver extract
Definition
- Noun:
- A pharmaceutical preparation: "liver extract" refers to a substance obtained from animal liver, typically used in medicine as a source of vitamins (especially B vitamins) and other nutrients. It was historically used to treat pernicious anemia and other nutritional deficiencies.
Usage Examples
- Noun:
- The doctor prescribed liver extract to treat the patient's anemia. (A medical preparation from liver used to correct a blood disorder.)
- Liver extract was a common supplement before the discovery of vitamin B12. (A nutritional supplement derived from animal liver.)
Advanced Usage
"crude liver extract": an unrefined form of the substance, containing a mixture of liver components.
- Early treatments for pernicious anemia relied on crude liver extract. (A basic, unpurified preparation.)
"purified liver extract": a refined version where specific active ingredients (like vitamin B12) are concentrated.
- Purified liver extract is more potent than the crude form. (A processed, concentrated preparation.)
Variants and Related Words
Liver (n): the large organ in animals that processes nutrients and filters blood.
- Beef liver is a rich source of iron. (The organ itself, not the extract.)
Extract (n): a concentrated substance obtained from a source, often through chemical or mechanical processes.
- Vanilla extract is made from vanilla beans. (A concentrated preparation from a plant.)
Synonyms
- Hepatic extract: a medical term for a preparation derived from liver.
- Liver concentrate: a more general term for a concentrated form of liver substances.
Phrasal Verbs
- Extract from: to obtain a substance from a source.
- The scientists extract liver extract from fresh animal livers. (To remove or derive a substance from a source.)
Related Idioms
- "The liver extract of the industry": a metaphorical use, though rare, meaning the essential or life-sustaining component of a field.
- Research funding is the liver extract of modern medicine. (A figurative expression meaning a vital, nourishing element.)