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.
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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
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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.
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hy·a·lu·ron·ic ac·id (hi″ə-l
-ronґik) hyaluronan.
Medical dictionary. 2011.