MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Disease, chronic obstructive lung (COLD)
Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases -- chronic bronchitis and emphysema. Both cause chronic obstruction of air flowing through the airways and in and out of the lungs. The…
Read the definitionRandom terms
Show more- Fusion, spinal See: Spinal fusion
- Epithelial carcinoma Cancer that begins in the cells that line an organ.
- Foramen of Magendie An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- Streptococcus pyogenes A common bacteria of the skin that causes strep throat (streptococcal pharyngitis), impetigo, other skin…
- Bougienage A procedure involving the use of a bougie. A bougie is a thin cylinder of rubber, plastic, metal or another…
- Greek medicine Medicine in Greece and the Greek world. The foundations of much of modern Western medicine lie in classical…
- Virus, human papilloma JC virus.
- Repair, mismatch A system within the cell for correcting errors in DNA that works by detecting and replacing bases in the DNA…
- Parasitic worm A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or…
- Tyrosinemia type I A metabolic genetic disease characterized by abnormally high levels of amino acid tyrosine in blood…
- Polymerase, RNA Enzyme that catalyzes (speeds) the polymerization of RNA. RNA polymerase uses preexisting nucleic acid…
- Xerophagia A dry diet. Literally, dry eating. From the Greek 'xeros' meaning 'dry' + 'phago' meaning 'to eat.