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 (prō′tēn′, -tē-ĭn)
Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism. They are essential in the diet of animals for the growth and repair of tissue and can be obtained from foods such as meat, fish, eggs, milk, and legumes.

[French protéine, from Late Greek prōteios, of the first quality, from Greek prōtos, first; see per in Indo-European roots.]

pro′tein·a′ceous (prōt′n-ā′shəs, prō′tē-nā′-), pro·tein′ic (prō-tē′nĭk), pro·tein′ous (prō-tē′nəs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.proteinaceous - relating to or of the nature of protein
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


a. proteináceo-a, de la naturaleza de o semejante a una proteína.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
A rare ductal structure with luminal proteinaceous contents was noted.
1b), and transbronchial lung biopsies (TBLB) form the right lower lobe revealed intra-alveolar amorphous proteinaceous material associated with hyperplastic alveolar macrophages and interstitial inflammation (Fig.
Scientists update the summary of current research findings regarding the biology of proteinaceous infectious particles--known as prions--that are the agent responsible for transmissible spongiform encephalopathy.
Proteinaceous substances which inhibited ethylene formation in apple disks and auxin-induced ethylene biosynthesis by mungbean were isolated [13].
Glyoxal provides a comprehensive crosslinking solution for a wide range of polymers such as starch, polyacrylamide, cellulose, proteinaceous material and polyvinyl alcohols.
The fluid can be echogenic secondary to hemorrhagic or proteinaceous material.
The mass had internal low level echoes, probably due to hemorrhage or increased concentration of proteinaceous content.
encrust, proteinaceous cement glands at the ready, securing a launch
Mad cow disease, often fatal, has been tracked to prions (proteinaceous infectious particles).
For garments and fabrics, they offer solutions in finishing effects, enzymatic products, bio-polishing, bio-finishing and specialty products for indigo dyes, proteinaceous fibers such as wool and silk, and garment washing and/ laundry.

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