There are multiple definitions:
fractional flow reserve(English)
- ratio between mean coronary pressure distal to a stenosis and mean aortic pressure, both determined under conditions of maximum myocardial hyperemia
- CFR, FFRC, iFR, smFFR, NHPR, OFR, QFR, fQFR, ML-FFR, vFFR, μQFR, cFFR
- Cardiology, Ratio-based metric, Coronary circulation, Hemodynamics
- https://en.wiki…al_flow_reserve
- https://doi.org…siol.00056.2018
- https://doi.org…fcvm.2019.00189
- https://doi.org…IONS.124.015058
frequency following response(English)
- a non-invasive index of the fidelity of sound encoding in the brain, and is used to study the integrity, plasticity, and behavioral relevance of the neural encoding of sound
- IRN
- Audiology, Bioengineering, Adaptation & plasticity
- https://en.wiki…lowing_response
force-frequency relationship(English)
- the sigmoid relationship between a muscle's activation frequency and isometric force output
- SDC, WIA
- Physiology
- https://en.wiki…cle_contraction
- https://pubmed.…h.gov/30051384/
fragility fracture risk(English)
- the risk of low bone mineral density (BMD) and its associated complications including fracture are significantly higher in people living with HIV (PLWH) compared to the uninfected population, but no positive associations identified with immunologic, virologic factors or exposure to specific ART
- ART, BMD, HIV, PLWH
- AIDS, Musculoskeletal system
- https://doi.org…55/2021/6672672
Fragmented Forest(English)