neutral (redirected from Amino acid transport systems, neutral)

neutral /neu·tral/ (noo´tril) neither basic nor acidic.

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neu·tral (ntrl)

adj.

1. Belonging to neither kind; not one thing or the other; indifferent.

2. Of or relating to a solution or compound that is neither acidic nor alkaline.

3. Of or relating to a compound that does not ionize in solution.

4. Of or relating to a particle, object, or system that has a net electric charge of zero.

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neutral

[n(y)o̅o̅′trəl]

Etymology: L, neutralis, neuter

the state exactly between two opposing values, qualities, or properties. For example, in electricity a neutral state is one in which there is neither a positive nor a negative charge. In chemistry, a neutral state is one in which a substance is neither acid nor alkaline. See also acid, base, pH.

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neutral,

n 1. the extent of spinal positioning in the sagittal plane where the first principle of physiologic motion is relevant.
2. the balance point on an articular surface from which all normal motions articulated at that joint may take place.

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neutral,

n a solution that has a pH level of 7. Equal numbers of hydrogen and hydroxyl ions are formed on dissociation.

neutral zone,

n See zone, neutral.

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neutral

neither basic nor acid.

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neutral endopeptidase

synthesized by tracheobronchial epithelium, this is an important enzymatic regulator of airway neuropeptides which stimulate increased vascular permeability and smooth muscle contraction.

neutral stress

evokes responses which do not affect the comfort, well-being or reproduction of the patient.