sialic acid

noun

: any of a group of reducing amido acids that are essentially carbohydrates and are found especially as components of blood glycoproteins and mucoproteins

Examples of sialic acid in a Sentence

Recent Examples on the Web
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Animals such as birds and humans have different docking stations on their cells — known as sialic acid receptors. Susanne Rust, Los Angeles Times, 5 Dec. 2024 Flu viruses enter cells by attaching to sugars that stick up from their surfaces called sialic acids. Brenda Goodman, CNN, 21 Nov. 2024 Birds have an abundance of a kind of sialic acid called alpha 2,3, but humans primarily have alpha 2,6 sialic acids, particularly in the nose, throat and lungs. Brenda Goodman, CNN, 21 Nov. 2024 Influenza viruses bind well to certain cell surface carbohydrates called sialic acids, which vary by species. Bykai Kupferschmidt, science.org, 7 May 2024 The results are potentially important but also preliminary, Beer cautions, noting that distinguishing between some types of sialic acids can be difficult. Bykai Kupferschmidt, science.org, 7 May 2024 Like different picks in a locksmith’s tool, the 17 known subtypes of hemagglutinin, a surface protein on influenza strains, match different sialic acid receptors on a host cell. Gemma Tarlach, Discover Magazine, 1 Nov. 2013 In the study, published in the Proceedings of the National Academy of Sciences, the researchers genetically modified mice to resemble humans in the deficiency of a sialic acid called Neu5Gc. Cody Cottier, Discover Magazine, 8 Sep. 2019 This type of linkage makes the sialic acid and galactose stick straight up. Quanta Magazine, 25 Feb. 2020

Word History

Etymology

Greek sialon saliva

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of sialic acid was in 1952

Dictionary Entries Near sialic acid

Cite this Entry

“Sialic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sialic%20acid. Accessed 21 Dec. 2024.

Medical Definition

sialic acid

noun
si·​al·​ic acid (ˌ)sī-ˌal-ik- How to pronounce sialic acid (audio)
: any of a group of reducing amido acids that are essentially carbohydrates and are found especially as components of blood glycoproteins and mucoproteins
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