There are multiple definitions:

1. particle image velocimetry(English)

   • produces a 2-D velocity vector field within an arterial segment, from which spatial and temporal local WSS measurements are obtained. Combined with DIC this is used for examination of deformation of a substrate to which a cell is bound
   • DPIV, TFM, DIC, MPP, WSS
   • Hemodynamics, Biophysics, Cardiology
   • https://doaj.or…31d0152e8b8b46b
   • https://doi.org….1063/5.0040953
   • https://doi.org…bio.2018.02.013

2. peripheral intravenous [catheter insertion](English)

   • most commonly performed procedure in hospitals. Multiple patient factors can make the insertion challenging, and ultrasound guidance has been demonstrated to improve the rate of success in these difficult patients
   • Vessel properties
   • https://doi.org…est.2019.04.139

3. parainfluenza virus(English)

   • a leading cause of acute respiratory illness (ARI) in children in rural areas
   • ARI, EPIC, LRTI, PERCH, CoV, HMPV, CSF, HFMD, MS, SAFV, TMEV, UTR, VHEV
   • Virology, Respiratory system
   • https://doi.org…879-021-06001-1
   • https://doi.org…1743-422x-9-247
   • https://doi.org/10.1002/rmv.1908