- A mucopolysaccharide made up of alternating β1,4-linked residues of hyalobiuronic acid, forming a gelatinous material in the tissue spaces and acting as a lubricant and shock absorbant generally throughout the body; it is hydrolyzed to disaccharide or tetrasaccharide units by hyaluronidase.
* * *hy·al·uron·ic acid .hīl-yu̇-.rän-ik-, .hī-əl-yu̇- n a viscous glycosaminoglycan that occurs esp. in the vitreous body, the umbilical cord, and synovial fluid and as a cementing substance in the subcutaneous tissue
* * *an acid mucopolysaccharide that acts as the binding and protective agent of the ground substance of connective tissue. It is also present in the synovial fluid around joints and in the vitreous and aqueous humours of the eye.
* * *hy·a·lu·ron·ic ac·id (hi″ə-l-ronґik) hyaluronan.
Medical dictionary. 2011.
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hyaluronic acid — [hī΄ə lo͞o rän′ik] n. [< HYAL(O) + Gr ouron, URINE + IC] a highly viscous mucopolysaccharide that holds cells together, lubricates body tissue, and blocks the spread of microorganisms: it is found in the skin, the vitreous humor of the eye,… … English World dictionary
hyaluronic acid — hialurono rūgštis statusas T sritis chemija apibrėžtis Polisacharidas, susidedantis iš N acetilgliukozamino ir gliukurono rūgšties liekanų. atitikmenys: angl. hyaluronic acid rus. гиалуроновая кислота … Chemijos terminų aiškinamasis žodynas
hyaluronic acid — Polymer composed of repeating dimeric units of glucuronic acid and N acetyl glucosamine. May be of extremely high molecular weight (up to several million daltons) and forms the core of complex proteoglycan aggregates found in extracellular matrix … Dictionary of molecular biology
hyaluronic acid — [ˌhʌɪəljʊə rɒnɪk] noun Biochemistry a viscous fluid carbohydrate present in connective tissue, synovial fluid, and the humours of the eye. Origin 1930s: from a blend of hyaloid and uronic acid (an oxidized sugar, from uro 1 urine ) … English new terms dictionary
hyaluronic acid — an acid mucopolysaccharide that acts as the binding and protective agent of the ground substance of connective tissue. It is also present in the synovial fluid around joints and in the vitreous and aqueous humours of the eye … The new mediacal dictionary
hyaluronic acid — hy′a•lu•ron′ic ac′id [[t]ˈhaɪ ə lʊˈrɒn ɪk, ˌhaɪ [/t]] n. biochem. a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints • Etymology: 1930–35; hyal (oid) (in reference to the vitreous humor, from… … From formal English to slang
hyaluronic acid — noun Etymology: International Scientific Vocabulary Date: 1934 a viscous glycosaminoglycan chiefly of the matrix of tissues that occurs especially in the vitreous humor, umbilical cord, synovial fluid, and loose connective tissue and serves… … New Collegiate Dictionary
hyaluronic acid — /huy euh loo ron ik, huy /, Biochem. a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints. [1930 35; HYAL(OID) (in reference to the vitreous humor, from which it was first isolated) + URONIC] *… … Universalium
hyaluronic acid — noun A mucopolysaccharide that forms a gel like substance within animal connective tissue … Wiktionary
hyaluronic acid — type of viscous complex sugar that is found in the fluid that pads and lubricates the joints (Medicine) … English contemporary dictionary