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sial
(redirected from sialic)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
si·al  (sl)
n.
Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses.


sial [ˈsaɪəl]
n
(Earth Sciences / Geological Science) the silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite
[si(licon) + al(uminium)]
sialic  [saɪˈælɪk] adj
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.sial - the granitelike rocks that form the outermost layer of the earth's crustsial - the granitelike rocks that form the outermost layer of the earth's crust; rich in silicon and aluminum
crust, Earth's crust - the outer layer of the Earth
rock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"


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NanA is best known as an enzyme that cleaves and releases the sugar molecule known as sialic acid, which is present in abundance on the surface of all human cells.
[FIGURE OMITTED] Recent work has also identified that contemporary North American lineage subtype H7 viruses, isolated in 2002-03, are partially adapted to recognize [alpha]2-6 linked sialic acids, which are the receptors preferred by human influenza viruses and found in the human upper respiratory tract (34).
63) Sialic Acid: This molecule, a ubiquitous component of specialized molecules called glycoproteins, has recently been found to be a sensitive predictor of cardiovascular risk when measured in blood.
 
 
 
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