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).
Knock-knees
An abnormal curve of the legs that causes the knees to touch or nearly touch while the feet are apart. The problem may arise in the bone structure itself, or in some cases it develops gradually as a result of muscle abnormalities. Knock-…
Read the definitionRandom terms
Show more- FXTAS Fragile X tremor/ataxia syndrome
- Dementia Dementia: Significant loss of intellectual abilities such as memory capacity, severe enough to interfere with…
- Abdominal cavity The cavity within the abdomen, the space between the abdominal wall and the spine. The abdominal cavity is…
- MIC-1 Macrophage inhibitory cytokine 1. A divergent member of the transforming growth factor beta superfamily…
- Medical school A school with a curriculum leading to a medical degree. The mission of every medical school includes medical…
- Surgery, fetal The surgical treatment of the fetus before birth. Also called prenatal or antenatal surgery. Fetal surgery is…
- Edwards syndrome Trisomy 18 syndrome. Children with the syndrome have an extra chromosome 18 with a characteristic pattern of…
- Rheumatism, psychogenic Rheumatism in which the patient reports inconsistent pains of muscles and joints that do not correspond to…
- Acapnia Less than the normal level of carbon dioxide in the blood. The opposite of hypercapnia. The origin of the…
- Homocystinuria A genetic disease due to an enzyme deficiency. Among other events, there is a buildup of the amino acid…
- Dextroposition of the heart The heart is displaced to the right (from its usual location in the left chest). There is no anatomic…
- Subclavian steal An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…