hyaluronic acid
Noun: A naturally occurring, viscous substance (a glycosaminoglycan) found in the connective tissues of the body, in synovial fluid that lubricates joints, and in the vitreous humor of the eye. It acts as a lubricant, shock absorber, and space-filler, and is crucial for maintaining skin hydration and tissue structure.
Hyaluronic acid is used as a singular noun phrase to refer to this specific biochemical substance. It is commonly discussed in medical, cosmetic, and biological contexts. * The doctor explained that hyaluronic acid injections could help lubricate the arthritic knee joint. * This skincare serum contains hyaluronic acid for intense hydration. * Researchers are studying the role of hyaluronic acid in wound healing.
- Hyaluronic acid is often abbreviated as HA in scientific and medical literature.
- The study measured HA levels in the synovial fluid.
- The term can be part of compound nouns in specialized fields (e.g., hyaluronic acid synthase, hyaluronic acid filler). These are distinct terms and not the target word itself.
- Hyaluronan: A synonym often used interchangeably in scientific contexts, particularly when referring to the polymer's form within the body.
- Sodium hyaluronate: The salt form of hyaluronic acid, commonly used in cosmetic and medical products for its stability and solubility.
- Hyaluronan
- HA (abbreviation)
The term hyaluronic acid has a single, specific biochemical meaning. It does not have multiple common definitions, though its applications (medical, cosmetic, nutritional) vary widely.
- a viscous mucopolysaccharide found in the connective tissue space and the synovial fluid of movable joints and the humors of the eye; a cementing and protective substance