There are multiple definitions:

1. bronchoscopic volume-reduction(English)

   • offered to patients, who cannot and/or are not willing to undergo the surgical treatment method (LVRS)
   • ICS+LABA, AAT, ABT, COPD, CPPS, ETS, NCC, NIV, PDE4i, LABA, LVRS
   • Pulmonology, Surgery
   • https://doi.org…507/bp.2013.039

2. basal vein of Rosenthal(English)

   • the major collector of veins draining the inferior surface of the brain and largely follows the course of the circle of Willis, flowing anteriorly to posteriorly
   • ICV, SSS, VOG
   • Vessel properties, Anatomy, Brain (dys)function
   • https://doi.org…64034-5.00010-9