There are multiple definitions:

1. mean central frequency(English)

   • tool to improve segmentation of echocardiograms with poor image quality
   • LV
   • Medical imaging, Echography/ultrasound
   • https://link.sp…540-73273-0.pdf

2. Michigan Cancer Foundation(English)

   • Oncology, Organizations (documentation)
   • https://www.kar…s/karmanos-home
   • https://www.can…l/michigan.html

3. myocardial contraction fraction(English)

   • a volumetric measure of myocardial shortening and thickening, thought to be independent of left ventricular size and geometry. Calculated by dividing LV stroke volume by LV myocardial volume. Different for men and women. Associated loci: MAP9, TNFAIP8, DKFZp451B082, NRP1, SLC16A12, LINC00477, LARP4/DIP2B, and FURIN
   • AS, GFI, GWAS, LGSAS, LGSAS-PEF, LV, LVGFI, LVM, SV
   • Cardiology, Ratio-based metric, Diagnostics, Composite metric, Gender aspects
   • https://doi.org…93/ehjci/jew324
   • https://doi.org…1097(02)01944-7
   • https://doi.org…cmg.2019.12.021
   • https://doi.org…rheartj/ehae443
   • https://doi.org…3/ehjci/jeag019
   • https://doi.org…467-026-69982-0
   • https://doi.org…ard.2012.01.357

4. micafungin(English)

   • antifungal drug
   • EBI, RFEVC, WGS
   • Microbiology, Machine learning
   • https://doi.org…imb.2021.742062

5. metastatic compression fracture(English)

   • BKP, VP
   • Spine (or spinal cord), Oncology
   • https://doi.org…nee.2015.11.033

6. mineralized collagen fiber(English)

   • may refer to fiber orientation
   • DBM, ECM, FST, OI
   • Skeleton and bone (formation), Cell biology
   • https://doi.org…1002/jbm4.10826