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neutral

 [noo´tral]
neither basic nor acid.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

neu·tral

(nū'trăl),
1. Exhibiting no positive properties; indifferent.
2. chemistry neither acid nor alkaline, for example, [OH-] = [H+].
3. Having the same number of positive and negative charges.
[L. neutralis, fr. neuter, neither]
Farlex Partner Medical Dictionary © Farlex 2012

neu·tral

(nū'trăl)
1. Exhibiting no positive properties; indifferent.
2. chemistry Neither acid nor alkaline.
[L. neutralis, fr. neuter, neither]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

neutral

1. Neither acid nor alkaline. Having a pH of 7.
2. In the context of pharmacological INSULIN the term refers to soluble insulins that have not been formulated so as to prolong their action. Neutral insulins include those described as Rapid, Actrapid and Velosulin.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

neu·tral

(nū'trăl)
1. Exhibiting no positive properties.
2. chemistry neither acid nor alkaline.
[L. neutralis, fr. neuter, neither]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Delayed metabolism of human brain natriuretic peptide reflects resistance to neutral endopeptidase. J Endocrinol 2000;167:239-46.
(1993) Neutral endopeptidase 24.11: structure, inhibition, and experimental and clinical pharmacology.
Upregulation of neutral endopeptidase and enzymatic activity during the differentiation of human choriocarcinoma cells.
Neutral endopeptidase inhibition: augmented atrial and brain natriuretic peptide, haemodynamic and natriuretic responses in ovine heart failure.
Melzig MF, Escher F (2002) Induction of neutral endopeptidase and angiotensin-converting enzyme activity of SK-N-SH cells in vitro by quercetin and resveratrol.
Up-regulation of neutral endopeptidase (CALLA) in human neutrophils by granulocyte-macrophage colony-stimulating factor.
BNP is known to be cleared from the circulation by the natriuretic peptide clearance receptor, neutral endopeptidase cleavage, and the kidney (27).
In addition to elimination by renal excretion and by binding to natriuretic peptide receptor type C (7), natriuretic peptides are also cleared through proteolysis by peptidases, the most closely studied being neutral endopeptidase (NEP; EC 3.4.24.11), a zinc metalloproteinase.
Relation of ANP and BNP to their N-terminal fragments in fetal circulation: evidence for enhanced neutral endopeptidase activity and resistance of BNP to neutral endopeptidase in the fetus.
[9] Nonstandard abbreviafions: BNP, B-type natriuretic peptide; NT-proBNP, N-terminal pro-B-type natriuretic peptide; FDA, United States Food and Drug Administrafion; NP, natriuretic peptide; HAAA, human anti-animal antibody; ANP, atrial natriuretic peptide; NPR, natriuretic peptide receptor; and NEP, neutral endopeptidase.
BNP is cleared mainly from the circulation by the natriuretic peptide C receptor and degraded by neutral endopeptidase, whereas NT-proBNP is cleared by the kidneys (4).