MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Pleuritis
Inflammation of the pleura. When the pleura becomes inflamed, it can produce more than the normal amount of fluid, causing a pleural effusion
Read the definitionRandom terms
Show more- Prothrombin A coagulation (clotting) factor that is needed for the normal clotting of blood. A cascade of biochemical…
- Thymine (T) One member of the base pair A-T (adenine-thymine) in DNA.
- Ophthalmic migraine Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain…
- Branched-chain ketoaciduria See: Maple syrup urine disease
- Syndrome, SAPHO SAPHO syndrome: SAPHO syndrome is an eponym for a condition which is characterized by a combination of: >…
- Catalysis The process by which a substance speeds up a chemical reaction without being consumed or altered in the…
- Diseases, rickettsial The infectious diseases caused by the rickettsiae fall into 4 groups:(1) typhus: epidemic typhus…
- Popliteal pterygium syndrome An inherited condition with a web behind the knee. (A pterygium is a winglike triangular membrane). The…
- Yttrium A rare elemental metal. A radioactive form of yttrium is used in radiation therapy and some types of…
- Antibody, antithyroglobulin An antibody directed against thyroglobulin which is a key protein in the thyroid gland essential to the…
- Abraham-man Also abram-man. One of a class of beggars who once wandered over England after the dissolution of the…
- Avulse To separate or tear away a body part, as from an accident or surgery. While playing football, he avulsed a…