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).
Severe acute respiratory syndrome
Severe acute respiratory syndrome: A severe form of pneumonia. Abbreviated SARS. A term applied to outbreaks of a mysterious illness in Asia beginning February 1, 2003. The clinical criteria for the diagnosis of SARS are: > >One or more…
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Show more- Hepatitis B Hepatitis B: Inflammation of the liver due to the hepatitis B virus (HBV), once thought to be passed only…
- Heteroploid A different chromosome number than the normal number of chromosomes
- ASAT Anemia, sideroblastic, and spinocerebellar ataxia. See:href='/script/main/art.asp?articlekey=34082'>Pagon…
- Scale, Fahrenheit Thermometer scale in which the freezing point of water is 32°F and the boiling point of water 212°F. The…
- Second wave A phenomenon of infections that can develop during a pandemic. The disease infects one group of people first…
- Minor anomaly An unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. A minor…
- Rectal exam, digital (DRE) An exam done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a…
- Psychodynamic medication See: Psychotropic medication
- Bacillus A large family of bacteria that have a rod-like shape. They include the bacteria that cause food to spoil…
- Scabies Scabies: Infestation of the skin by the human itch mite, Sarcaptes scabies. The initial symptom of scabies…
- Pelvis, male See: Male pelvis
- Cell, T-helper See: T-helper cell