There are multiple definitions:

1. lymphadenopathy-associated virus(English)

   • Virology

2. left atrial volume(English)

   • LA, LAVI, LVNC, GLAS, PACS, PALS, ASH
   • Cardiology
   • https://doi.org…acc.2013.10.055
   • https://doi.org…01.cir.53.2.273

3. longevity associated variant(English)

   • of the human BPIFB4 gene was found to correct endothelial dysfunction, one of the mechanisms underlying frailty during aging. Frailty is a clinically recognizable state of increased vulnerability to stressor events resulting from the systemic decline in function and physiological reserve mechanisms with aging
   • BPIFB4, LLI
   • Aging, Frailty, Endothelium, Genetics
   • https://doi.org…32/aging.102209

4. live-attenuated vaccine(English)

   • perceived for their ability to evoke intense humoral and cell-mediated immune responses that can provide long lasting protection against the antigen
   • BW
   • Vaccination, Immunology
   • https://doi.org…12026-2.00008-6

5. lung attenuation volume(English)

   • refers to emphysema volume
   • COPD, CSA, DLCO, FEV1
   • Pulmonology, Medical imaging, Asthma
   • https://doi.org…siol.01062.2017