There are multiple definitions:

1. outer hair cell(English)

   • mechanically sensitive amplifier of sound‐evoked vibrations, responsible for cochlear sensitivity and sharpness of tuning See stereocilia
   • IHC, pRb, OAE, AMPA, ANF, AZ, CF, Cm, EPSC, MET
   • Audiology, Electrophysiology, Auditory system
   • https://doi.org/10.1113/JP279189

2. Obstetric High Care(English)

   • Obstetrics, Care giver/provider

3. oral hydrocortisone(English)

   • CSHI, ACTH, AD, GH, IGF, OHC, QOL
   • Cortisol
   • https://doi.org….1111/cen.12670

4. online health community(English)

   • refers to importance for patient empowerment
   • OHI, PERP
   • Health literacy, Communication, Mobile health
   • https://doi.org….2196/jmir.7002