Example image of eyePlorer eyePlorer map for 'Densitometry': Absorbance Light Measurement Photographic film Photographic paper Scale (ratio) Silver nitrate Absorption (electromagnetic radiation) Densitometer Logarithm Transmittance Sensitometry Binary logarithm Bone Calcium Dual energy X-ray absorptiometry False-color Medicine Osteopenia Osteoporosis Diagnosis Hurter and Driffield Bisalbuminemia Bone density Index of optical articles Terry Borman Manuel de Abreu Genome size Northern blot Body mass index Platinum prints Western blot