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).
Acute stress disorder
The anxiety and behavioral disturbances that develop within a month of exposure to extreme trauma. The symptoms of an acute stress disorder usually begin during or shortly following the trauma. Such extreme traumatic events include rape or…
Read the definitionRandom terms
Show more- Factor X A laboratory-made agent similar to a normally existing substance in the body that stimulates the production…
- Vulvitis, yeast A yeast infection of the external genital organs of the female (the vulva). The vulva includes the labia…
- Periventricular leukomalacia, cystic Softening of the white matter near the ventricles of the brain resulting in abnormal cysts. Cystic…
- Desmoplastic reaction This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Immune system A complex system that is responsible for distinguishing us from everything foreign to us, and for protecting…
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.
- Ban zhi lian See: Scutellaria barbata
- Howard Hughes Medical Institute The largest private source of medical research funds in the United States. The Institute is one of the…
- De Quervain's tenosynovitis De Quervain's tenosynovitis: De Quervain's tenosynovitis is inflammation of tendons on the side of the wrist…
- Androgen A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major…
- Ganglion Ganglion: The celebrated 2nd century Greek physician Galen ((c. 130-201 A.D.) who lived and worked in Rome…
- Shunt, ventriculoatrial A shunt that drains fluid from the cerebral ventricle into the right atrium of the heart