There are multiple definitions:

1. bone mineral content(English)

   • amount of bone mineral in bone tissue
   • Calcium
   • https://en.wiki…ki/Bone_density

2. bootstrap Monte Carlo(English)

   • GLLS, SNR
   • Model(ing), Statistics

3. bone marrow cell(English)

   • responsible for the production of blood cells such as leukocytes, erythrocytes and platelets
   • MSC

4. blood-to-myocardial contrast(English)

   • CMR
   • Imaging, Cardiology