There are multiple definitions:

1. magnetic resonance angiography(English)

   • WB-MRA, MRI, PAD, QMRA, BAS, TCD, TIA
   • Imaging, Vascular disease, Hemodynamics
   • https://doi.org…al.pone.0183798
   • https://doi.org….str.27.11.1974

2. molecular recognition agent(English)

   • Biochemistry, Nano-sciences

3. multiresolution analysis(English)

   • DWT, FIR, OWSF, MR-PCA

4. mineralocorticoid receptor antagonist(English)

   • steroidal types (such as spironolactone and eplerenone), and nonsteroidal types
   • AF, ARNI, BMI, CAD, CKD, eGFR, GLS, HF, HFimpEF, HFmrEF, HTN, LVEF, MR, MRI, NYHA, RASi
   • Receptors, Cardiology
   • https://doi.org…rheartj/ehaa736
   • https://doi.org…adv.2023.100654

5. magnetische resonantieangiografie(Dutch)

   • MRI
   • Imaging

6. mandibular repositioning appliance(English)

   • is used to treat OSA by advancing the mandible and thereby reducing the collapsibility of the upper airway
   • CPAP, OSA, TRD
   • Sleep medicine
   • https://doi.org…55/2018/2157974

7. modulated response amplitude(English)

   • calculated as the difference in the maximal and minimum ECAP amplitudes over the modulation cycles. It increases as modulation frequency increased, with no apparent cutoff (up to 1000 Hz)
   • AM, CI, ECAP, MDT
   • ENT, Auditory system
   • https://doi.org…000000000000417

8. magnetic resonance arthrography(English)

   • ASES, CTA, MASES, MRI, ROM, SSV, VAS
   • Medical imaging, Shoulder and other joints
   • https://doi.org…06/JBJS.N.00293

9. mesenteric resistance artery(English)

   • may refer to vasodilatory function
   • ACh, AICAR, AMPK, CRC, CSE, ED, EDHF, MRA, SBP, SNP, VEH, VSMC
   • Nutrition, Pregnancy
   • https://doi.org/10.1113/JP287097