Browse categories
-
Anatomy
1,049 questions A branch of biology dealing with the structure of organisms.
-
Organisms
388 questions Any living biological entity, such as an animal, plant, fungus, or bacterium.
-
Diseases
1,356 questions Any impairment of normal physiological function affecting all or part of an organism, esp a specific pathological change caused by infection, stress, etc, producing characteristic symptoms; illness or sickness in general.
-
Bacterial Infections and Mycoses
37 questions Infections caused by bacteria and fungi, general, specified, or unspecified.
-
Virus Diseases
44 questions A general term for diseases produced by viruses.
-
Parasitic Diseases
9 questions Infections or infestations with parasitic organisms. They are often contracted through contact with an intermediate vector, but may occur as the result of direct exposure.
-
Neoplasms
27 questions New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.
-
Musculoskeletal Diseases
15 questions Diseases of the muscles and their associated ligaments and other connective tissue and of the bones and cartilage viewed collectively.
-
Digestive System Diseases
31 questions Diseases in any part of the GASTROINTESTINAL TRACT or the accessory organs (LIVER; BILIARY TRACT; PANCREAS).
-
Stomatognathic Diseases
27 questions General or unspecified diseases of the stomatognathic system, comprising the mouth, teeth, jaws, and pharynx.
-
Respiratory Tract Diseases
11 questions
-
Otorhinolaryngologic Diseases
1 question Pathological processes of the ear, the nose, and the throat, also known as the ENT diseases.
-
Nervous System Diseases
44 questions Diseases of the central and peripheral nervous system. This includes disorders of the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscle.
-
Eye Diseases
21 questions Diseases affecting the eye.
-
Male Urogenital Diseases
19 questions Pathological processes of the male URINARY TRACT and the reproductive system (GENITALIA, MALE).
-
Female Urogenital Diseases and Pregnancy Complications
11 questions Pathological processes of the female URINARY TRACT, the reproductive system (GENITALIA, FEMALE), and disorders related to PREGNANCY.
-
Cardiovascular Diseases
38 questions Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM.
-
Hemic and Lymphatic Diseases
12 questions Hematologic diseases and diseases of the lymphatic system collectively. Hemic diseases include disorders involving the formed elements (e.g., ERYTHROCYTE AGGREGATION, INTRAVASCULAR) and chemical components (e.g., BLOOD PROTEIN DISORDERS); lymphatic diseases include disorders relating to lymph, lymph nodes, and lymphocytes.
-
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
8 questions Diseases existing at birth and often before birth, or that develop during the first month of life (INFANT, NEWBORN, DISEASES), regardless of causation. Of these diseases, those characterized by structural deformities are termed CONGENITAL ABNORMALITIES.
-
Skin and Connective Tissue Diseases
19 questions A collective term for diseases of the skin and its appendages and of connective tissue.
-
Nutritional and Metabolic Diseases
8 questions A collective term for nutritional disorders resulting from poor absorption or nutritional imbalance, and metabolic disorders resulting from defects in biosynthesis (ANABOLISM) or breakdown (CATABOLISM) of endogenous substances.
-
Endocrine System Diseases
4 questions Pathological processes of the ENDOCRINE GLANDS, and diseases resulting from abnormal level of available HORMONES.
-
Immune System Diseases
11 questions Disorders caused by abnormal or absent immunologic mechanisms, whether humoral, cell-mediated, or both.
-
Disorders of Environmental Origin
1 question Disorders caused by external forces rather than by physiologic dysfunction or by pathogens.
-
Animal Diseases
8 questions
-
Pathological Conditions, Signs and Symptoms
25 questions Abnormal anatomical or physiological conditions and objective or subjective manifestations of disease, not classified as disease or syndrome.
-
Occupational Diseases
4 questions Diseases caused by factors involved in one's employment.
-
Substance-Related Disorders
5 questions Disorders related to substance abuse, the side effects of a medication, or toxin exposure.
-
Wounds and Injuries
16 questions Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.
-
Chemicals and Drugs
853 questions Any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use and any synthetic, semisynthetic, or natural chemical substance used in the treatment, prevention, or diagnosis of disease, or for other medical reasons.
-
Analytical, Diagnostic and Therapeutic Techniques and Equipment
359 questions
-
Psychiatry and Psychology
162 questions The branches of medicine concerned with the diagnosis and treatment of mental illness and the scientific study of all forms of human and animal behaviour, sometimes concerned with the methods through which behaviour can be modified.
-
Phenomena and Processes
97 questions
-
Disciplines and Occupations
28 questions
-
Anthropology, Education, Sociology and Social Phenomena
98 questions
-
Technology, Industry, Agriculture
84 questions
-
Humanities
80 questions The study of literature, philosophy, and the arts.
-
Information Science
219 questions The field of knowledge, theory, and technology dealing with the collection of facts and figures, and the processes and methods involved in their manipulation, storage, dissemination, publication, and retrieval. It includes the fields of COMMUNICATION; PUBLISHING; LIBRARY SCIENCE; and informatics.
-
Named Groups
38 questions
-
Health Care
1,264 questions
-
Publication Characteristics
30 questions
-
Geographicals
23 questions The study of the natural features of the earth's surface, including topography, climate, soil, vegetation, etc, and man's response to them.
...