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).
Personality disorder
A disorder characterized by the chronic use of mechanisms of coping in an inappropriate, stereotyped, and maladaptive manner. Personality disorders are enduring and persistent styles of behavior and thought, not atypical episodes. The…
Read the definitionRandom terms
Show more- Aortitis Inflammation of the aorta. The causes of aortitis include syphilis or rheumatic fever
- TMJ syndrome Disorder of the temporo-mandibular joint(s) causing pain usually in front of the ear(s).
- Mechanical ventilation Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the…
- Yellow enzyme, Warburg's A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in…
- Node, Heberden A small fixed bump on the finger, usually at the last joint of the finger, Heberden's node is a calcified…
- Polydipsia Excessive thirst all the time. Polydipsia occurs, for example, in untreated or poorly controlled diabetes…
- Breathing The process of respiration, during which air is inhaled into the lungs through the mouth or nose due to…
- UAG A triplet consisting of uracil, adenine, guanine, in that order, that acts as a stop codon in messenger RNA…
- Quiescence Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells)…
- FISH Abbreviation for fluorescence in situ hybridization, a molecular technique used in chromosome studies. FISH…
- Gastric cancer Cancer of the stomach, the major organ that holds food for digestion. Worldwide, stomach cancer is the second…
- Vein, hepatic One of the veins which drains blood from the liver