There are multiple definitions:

1. automated border detection(English)

   • MAB
   • Echography/ultrasound, Cardiology, Medical imaging

2. APC binding domain(English)

   • refers to mechanisms of regulation and signaling of Rho family GTPases
   • APC, GTP
   • Signal transduction, Regulation / control, Cell biology, Oncology
   • https://doi.org…0/cells10071831

3. anterior bone displacement(English)

   • refers to balloon vertebroplasty in traumatic thoracolumbar fractures
   • PBD
   • Spine (or spinal cord), Medical imaging, Injury
   • https://doi.org…173897.67839.92