Mission Planning and Control Station 
Minor Planet circulars Supplement 
Multi Party Connection Subsystem 
Mains Power Controllers 
Manual Proportional Control System 
maximum permissible concentrations 
Medicaid Personal Care Services 
Medicare Premium Collection System 
mesenchymal progenitor cells 
Mission Planning and Control Section 
moderator primary coolant system 
Monolayer-protected Au clusters 
monolayer-protected clusters 
Mount Paran Christian School 
Multiple Payload Communication Satelli… 
multiple primary cancers 
muscle precursor cells 
mutant prevention concentrations 
myeloid progenitor cells