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| Ultrasound |
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1) Diagnostic ultrasound A technique which uses ultrasonic waves to image internal structures. 2) Therapeutic ultrasound a therapy to create heat and stimulate healing.
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| Under Contract |
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A trainer or rider formally signed for a specified time and compensation.
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| Under Pressure |
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To be given a hard time or experience a hard run during a race. A horse may be placed under pressure by another runner in the field, for instance, when being attacked for the lead. Under pressure may also refer to a horse that is finding it hard to keep up with the pace (is weakening), or is not responding to the driver's command to accelerate.
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| Under Wraps |
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Horse under stout restraint in a race or workout to keep it from pulling away from the competition by too large a margin.
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| Underlay |
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A horse racing at shorter odds than seems warranted by its past performances.
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| Untried |
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1) Not raced or tested for speed. 2) A stallion that has not been bred.
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| Unwind |
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Gradually withdrawing a horse from intensive training.
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| Up |
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When riders mount their horses in the paddock.
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| Urinalysis |
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Testing urine of horse for drugs or medication.
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| Urine Test |
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Chemical analysis of horse's urine in effort to tell whether animal was drugged.
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