There are multiple definitions:

1. oligodendrocyte(English)

   • CNS, BMP, OPC
   • Neurons

2. open laminectomy(English)

   • an alternative surgical option for patients with LSS and mild DS without relevant instability on lumbar spine lateral radiographs
   • DS, LSS
   • Spine (or spinal cord), Surgery
   • https://doi.org…122-021-00293-6

3. open-label [phase](English)

   • DB, ID
   • Clinical trials
   • https://doi.org…33.2008.08928.x

4. over loading(English)

   • load variation is associated with changes in joint torque and compensatory reflex activation and thus, has a considerable impact on balance control
   • COP, UL
   • Musculoskeletal system, Regulation / control, Reflex
   • https://doi.org…al.pone.0128400

5. onset latency(English)

   • STC, DPOAE
   • Audiology
   • https://doi.org/10.1121/1.421347