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).
Ventilation, positive pressure
The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange of air between the lungs and the atmosphere. The device is basically designed for administering artificial respiration…
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Show more- Dystrophy, cone A disease of the cones, the specialized light-sensitive cells that act as photoreceptors in the retina of the…
- Symbol of medicine A staff or a rod with a snake curled around it; the staff of Aesculapius, also called Asklepios, the ancient…
- Paraoxonase An enzyme associated with high-density lipoprotein (HDL) that is believed to protect against the oxidation of…
- Scleredema A dermatologic disorder characterized by hardening and thickening of the skin, typically over the face, neck…
- Tracheostomy button Tracheostomy button: A 1/2- to 1 1/2-inch-long plastic tube placed in the stoma to keep it open
- Vaccinia, disseminated See Progressive vaccinia
- Kawasaki disease Kawasaki disease: A disease that has nothing to do with the motor bike of the same name but is a syndrome of…
- SV 40 See: SV40
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- Obesity-related disease Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very…
- Nucleus 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells
- Lactase deficiency (LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy…