histidine

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histidine

 [his´tē-dēn]
a naturally occurring amino acid, one of the essential amino acids, necessary for optimal growth of infants; its decarboxylation results in formation of histamine.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

his·ti·dine (H, His),

(his'ti-dēn),
α-Amino-1H-4; propionic acid; the l-isomer is a basic amino acid found in most proteins. It is a nutritionally essential amino acid in mammals.
Farlex Partner Medical Dictionary © Farlex 2012

histidine

(hĭs′tĭ-dēn′, -dĭn)
n.
An essential amino acid, C6H9N3O2, important for tissue growth and repair.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

his·ti·dine

(His, H) (his'ti-dēn)
The l-isomer is a basic amino acid found in most proteins.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

histidine

An essential amino acid and precursor of HISTAMINE.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Histidineclick for a larger image
Fig. 191 Histidine . Molecular structure.

histidine (H, His)

one of the 20 AMINO ACIDS common in proteins. It carries an extra basic group making it alkaline and is soluble in water. See Fig. 191 . The ISOELECTRIC POINT of histidine is 7.6.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

his·ti·dine

(His, H) (his'ti-dēn)
The l-isomer is a basic amino acid found in most proteins.
Medical Dictionary for the Dental Professions © Farlex 2012