persistent

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Related to persistent ductus arteriosus: patent ductus venosus

persistent

1. (of plant parts) remaining attached to the plant after the normal time of withering
2. Zoology
a. (of parts normally present only in young stages) present in the adult
b. continuing to grow or develop after the normal period of growth
3. (of a chemical, esp when used as an insecticide) slow to break down; not easily degradable
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

persistent

[pər′sis·tənt]
(botany)
Of a leaf, withering but remaining attached to the plant during the winter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

persistent

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persistent

Permanent. See persistent storage, persistent data, persistent name and persistent object.
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References in periodicals archive ?
Choi et al., "Intrauterine inflammation as a risk factor for persistent ductus arteriosus patency after cyclooxygenase inhibition in extremely low birth weight infants," Journal of Pediatrics, vol.
Transcatheter closure of high pulmonary artery pressure persistent ductus arteriosus with the Amplatzer muscular ventricular septal defect occluder.

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