There are multiple definitions:

1. olfactory ensheathing cell(English)

   • a unique population of glia, critical for the spontaneous growth of olfactory axons within the developing and adult olfactory nervous system
   • MC-OEC
   • Olfactory system, Neurology
   • https://doi.org…01732-6.00020-3
   • https://doi.org…000000000001170

2. optoelectronic camera(English)

   • ACC, LPT, LVT, SDC, VBS
   • Monitoring, Exercise & Training, Bioengineering
   • https://doi.org…439-019-02265-6
   • https://doi.org…ijspp.2016-0627