There are multiple definitions:

1. mean transit time(English)

2. 3-(4, 5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide [assay](English)

   • a colorimetric reaction that can easily be measured from cell monolayers that have been plated in 35 mm dishes or multiwell plates
   • GYZ, CVC, SCGE, TAC, TOS, DMXB
   • Clinical chemistry, Mitochondrion, Oncology
   • https://doi.org…63390-5.50010-7
   • https://doi.org….20141124062203
   • https://doi.org…int.2007.04.002

3. metyrapone test(English)

   • CST, HPA, ITT
   • Pituitary (gland), Surgery
   • https://doi.org…08.12.JNS081265

4. meal tolerance test(English)

   • ELISA, GIP, GLP-1
   • Nutrition
   • https://doi.org…endo.2020.00214

5. multimodality tissue tracking(English)

   • on cardiac magnetic resonance imaging, the gold-standard reference in atrial and ventricular volume measurement, and a wellestablished method for the assessment of cardiac deformation
   • AF, CMR, LA, LAEF, LAS, MRI, MVR, LV
   • Medical imaging, Cardiology, Biophysics
   • https://doi.org…93/ehjci/jez176