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[mass noun] A substance present in saliva which consists of acyl derivatives of neuraminic acid.
- ‘It represents transferrin without the sialic acid residues.’
- ‘If scientists treat blood cells with an enzyme to remove sialic acid, the parasite can no longer invade.’
- ‘Many pathogens use sugar groups of surface glycoproteins, in particular sialic acid residues, as receptors for invasion.’
- ‘Biochemical markers of metastasis such as lung hydroxyproline, uronic acid, serum sialic acid and gammaglutamyl transpeptidase were estimated.’
- ‘In an antennary structure, some antennae may be capped by sialic acid whereas others may be uncapped.’
1950s: sialic from Greek sialon saliva + -ic.
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