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essential amino acid
–noun Biochemistry.
| any amino acid that is required by an animal for growth but that cannot be synthesized by the animal's cells and must be supplied in the diet. |
[Origin: 1935–40
]
] | Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006. |
Essential amino acid
To learn more about Essential amino acid visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
| essential amino acid | |
noun | |
| an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet |
| WordNet® 3.0, © 2006 by Princeton University. |
essential amino acid n.
An alpha-amino acid that is required for protein synthesis but cannot be synthesized by humans and must be obtained in the diet.
| The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
Main Entry: essential amino acid
Function: noun
: any of various alpha-amino acids that are required for normal health and growth, are either not manufactured in the bodyor manufactured in insufficient quantities, are usually supplied by dietary protein, and in humans include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, andvaline
| Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc. |
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