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).
Arthritis, rheumatoid
Autoimmune disease that is characterized by chronic inflammation of the joints and can cause inflammation of tissues in other areas of the body (such as the lungs, heart, and eyes)
Read the definitionRandom terms
Show more- Chromosome complement The whole set of chromosomes for the species. In humans, the chromosome complement (which is also called the…
- Disk, intervertebral See: Intervertebral disk
- Chlorpyrifos An insecticide that has adverse neurological effects. Also known as Dursban. Chlorpyrifos causes weakness…
- Serum glutamic pyruvic transaminase (SGPT) An enzyme that is normally present in liver and heart cells. SGPT is released into blood when the liver or…
- DR syndrome See: Okihiro syndrome
- Cl (chloride) Cl is the chemical symbol for chloride, the major anion found in the fluid outside of cells and in blood. An…
- Pulmonary acinus The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- Pro time The pro time (or, more properly, the prothrombin time) is a test of the integrity of part of the clotting…
- Immunization, flu The flu (influenza) vaccine is recommended for persons at high risk for serious complications from influenza…
- Myelinization The formation of the myelin sheath around a nerve fiber. Also known as myelination
- Septicemia Systemic (bodywide) illness with toxicity due to invasion of the bloodstream by virulent bacteria coming from…
- Zinc finger protein 9 See: ZNF9