Diseases 50 Diagnosis 30 Human anatomy 18 Anatomy 16 Surgery 16 Histology 10 Tumors 10 Ultrasonic imaging 10 Skin 8 Abnormalities 6 Brain 6 Diagnostic imaging 6 Electroencephalography 6 Eye 6 Heart 6 Musculoskeletal system 6 Nursing 6 Stars 6 Administration 4 Anatomy, Comparative 4 Anatomy, Surgical and topographical 4 Astronomy 4 Autopsy 4 Bones 4 Cancer 4 Cardiovascular system 4 Central nervous system 4 Classification 4 Communicable diseases 4 Cytopathology 4 Diagnosis, Differential 4 Drugs 4 Ear 4 Electromyography 4 Endoscopy 4 Eye-sockets 4 Histopathology 4 Larynx 4 Lungs 4 Mouth 4 Needle biopsy 4 Nervous system 4 Orthopedic surgery 4 Pathophysiology 4 Physical diagnosis 4 Physiology 4 Primary care (Medicine) 4 Teeth 4 Tomography 4 AIDS (Disease) 2 Acupuncture 2 Aluminum alloys 2 Ambulatory electroencephalography 2 Anatomy, Pathological 2 Anatomy, Regional 2 Ankle 2 Astronomical photography 2 Atlases 2 Bacterial diseases 2 Biology 2 Blood 2 Blood-vessels 2 Bone marrow 2 Cardiology 2 Cerebrovascular disease 2 Cervical vertebrae 2 Chest 2 Children 2 Clusters 2 Colonoscopy 2 Communication in science 2 Congenital heart disease 2 Conjunctiva 2 Conservation of natural resources 2 Critical care medicine 2 Data processing 2 Dentition 2 Diagnosis, Radioscopic 2 Dissection 2 Drosophila 2 Ecology 2 Embryology 2 Emergency medicine 2 Emigration and immigration 2 Endoscopic surgery 2 Endoscopic ultrasonography 2 Environmental conditions 2 Environmental health 2 Epidemiology 2 Exotic animals 2 Eyelids 2 Face 2 Fetus 2 Foot 2 Forensic sciences 2 Fracture 2 Fungal diseases of plants 2 Fungi 2 Galaxies 2 Gastrointestinal system 2