There are multiple definitions:

1. major facilitative superfamily(English)

   • GLUT, SSS, SSSF

2. midwall fractional shortening(English)

   • PWT, SWT, Ees, EF, FS, HFpEF, HFrEF, LVEDV, LVM, PRSW, Sc-MFS
   • Cardiology, Ratio-based metric
   • https://doi.org….1002/ejhf.2843

3. Marfan syndrome(English)

   • (OMIM#154700, ORPHA 558) is an inherited connective tissue disorder characterized by manifestations in different organ systems, including the ocular, skeletal and cardiovascular systems. Reported prevalence ranges from 1.5 to 17.2 per 100 000 individuals
   • HTAD, ATAAD, TM, XPCT, LVESV, MAD, NSVT, PAC, PVC, SCD, VT
   • Congenital disorders, Cardiology, Ophthalmology, Dermatology
   • https://doi.org…ardio.2021.2312

4. metastasis-free survival(English)

   • OS, MFS, MACE, DFS, PFS, LRFS, LVI, NAC, PNI, RFS
   • Prognosis, Quality and outcomes, Oncology
   • https://doi.org…tol.2011.043372
   • https://doi.org…000000000003468

5. Miller Fisher syndrome(English)

   • a clinical variant of Guillain–Barré syndrome, characterized by the triad of ophthalmoparesis, ataxia, and areflexia. Additionally, often associated with symptoms secondary to cranial nerve weakness (facial paralysis, swallowing disorders, etc.), and usually preceded by an infection, most typically a gastrointestinal infection caused by Campylobacter jejuni; aka Fisher syndrome
   • FS
   • Neuropathy, Ataxia, Ophthalmology, Gastroenterology
   • https://doi.org…eng.2012.04.020

6. mossy fiber sprouting(English)

   • defined as the growth of granule cell axons into their own dendritic field in the inner molecular layer, creates de novo recurrent excitatory circuits which provide an appealing explanation for the epileptic brain's increased excitability
   • AD, IML, SE
   • Brain (dys)function, Epilepsy or syncope
   • https://doi.org…35-7511-17.1.50

7. multifocal fibrosclerosis(English)

   • a rare disorder of unknown etiology, characterized by chronic inflammation with dense fibrosis and lymphoplasmacytic infiltration into the connective tissue of various organs
   • CSDH
   • Inflammasome
   • https://doi.org…793-5482.145102

8. mid-fusiform sulcus(English)

   • OTS, COS
   • Anatomy, Brain (dys)function
   • https://doi.org…598-020-73213-x

9. myopic foveoschisis(English)

   • ILM, MH, OCT, HM-MH, MB
   • Ophthalmology
   • https://doi.org…0417-013-2555-5

10. Maryland Foot Score(English)

    • used to evaluate functional outcomes after surgical intervention for calcaneal fracture
    • CS, MP
    • Skeleton and bone (formation), Injury, Surgery, Scoring systems/scales
    • https://doi.org…309499018792742

11. midfoot strike(English)

    • refers to the relationship with peak vertical instantaneous loading rate
    • FFS, GRF, RFS, VILR
    • Musculoskeletal system, Biophysics
    • https://doi.org…14.2016.1225970