MOS
margin of safety, TD1/ED99
MOE
margin of exposure (ratio NOAEL to level exposed to)
MTD
maximum tolerable dose, suppresses weight gain 90 days
NED
normal equivalent deviations
ALD
approximate lethal dose, up down tests
ARE
antioxidant response element
EpRE
electrophile response element
TIMP
tissue inhibitor of metalloproteinase
RfD
reference dose
MMP
matrix metalloproteases (breaks down ECM)
ADI
acceptable daily intake
UF
uncertainty factor
MF
modifying factor
BMD
benchmark dose (daily dose without risk)