| VPC | vapor-phase chromatography; ventricular premature complex; ventricular premature contraction; volume... |
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| VPI | vapor phase inhibitor; velopharyngeal insufficiency |
| YP | yeast phase; yield pressure |
| ARDS | Adult Respiratory Distress Syndrome |
| RBL | Respiratory Bronchiole |
| L-phase variants | Bacterial variant's which do not have rigid cell walls but which may contain varying amounts of cell wall material; they are spherical to coccobacillary in shape and vary in size from small bodies that pass through filters which retain bacteria to bodies that are larger than the bacterial form; they are Gram-negative and resistant to penicillin; some revert to the bacterial phase upon removal of the inducing substance, whereas others do not; the variant's differ greatly from the parent bacterial cells in mode of reproduction, physiology, growth requirements, and individual and colonial morphology; they are generally considered to be nonpathogenic, even if derived from a pathogenic bacterium. Origin: L. Fr. Lister Institute (05 Mar 2000) |
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| luteal phase | The post-ovulatory phase of a woman's cycle, the corpus luteum produces progesterone, which in turn causes the uterine lining to secrete substances to support the implantation and growth of the early embryo. (09 Oct 1997) |
| luteal phase defect | Inadequate function of the corpus luteum that may prevent a fertilized egg from implanting in the uterus or may lead to early pregnancy loss. (09 Oct 1997) |
| luteal phase deficiency | Inadequate function of the corpus luteum that may prevent a fertilized egg from implanting in the uterus or may lead to early pregnancy loss. (09 Oct 1997) |
| lytic phase | A phase of the virus life cycleduring which the virus replicates within the host cell, releasing a new generation of viruses when the infectedcell lyses. (09 Oct 1997) |