There are multiple definitions:

1. mid-diastolic murmur(English)

   • PM
   • Cardiology

2. monocyte-derived macrophage(English)

   • Hematology
   • https://doi.org…immu.2017.01352

3. minor determinant mixture(English)

   • benzylpenicillin, benzylpenicilloate, and benzylpenilloate
   • AX, BL, CX, DPT, IgE, IHR, PPL, PV, RAST, ST, TCD
   • Allergy
   • https://doi.org…601-020-00368-1

4. metabolic defense mechanism(English)

   • obstructs weight loss and facilitates weight regain, possibly by increasing hunger and efficiency of exercise energy expenditure, and by reducing resting metabolic rate and energy expenditure including physical activity
   • BHB, DCR, EE, IF, PA, RMR, UF
   • Metabolism, Diet, Lifestyle, Sleep medicine, Risk factor, Woman /female
   • https://doi.org…59/cureus.57979