Activities & Behaviors|211188
Anatomy|406116
Chemicals & Drugs|1857362
Concepts & Ideas|628656
Devices|33132
Disorders|1154211
Genes & Molecular Sequences|27422
Geographic Areas|132421
Living Beings|2266157
Objects|143920
Occupations|79492
Organizations|41394
Phenomena|178133
Physiology|422486
Procedures|765762