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sial
(redirected from sialic)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
sial: see continent continent, largest unit of landmasses on the earth. The continents include Eurasia (conventionally regarded as two continents, Europe and Asia), Africa, North America, South America, Australia, and Antarctica.
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sial [′sī‚al]
(petrology)
A petrologic term for the silica- and alumina-rich upper rock layers of the earth's crust; gives rise to granite magma; the bulk of the continental blocks is sialic. Also known as granitic layer; sal.


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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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