MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Syndrome, hand-foot-and-mouth
A clinical pattern consisting of a rash on the hands and feet and in the mouth due to a viral infection. The internal rash (the enanthem) consists of blisters and little ulcers that may involve not only the lining of the mouth but also the…
Read the definitionRandom terms
Show more- Streptococcus A group of bacteria, familiarly known as strep, that cause a multitude of diseases. The name comes from the…
- Computerized axial tomography (CAT) Cat scanning adds X-ray images with the aid of a computer to generate cross-sectional views anatomy. It can…
- APT1 See: FAS gene
- Arterial blood gas (ABG) The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels…
- Hemangioma, cavernous A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or…
- Left ventricular assist device See: Ventricular assist device
- Lab Short for a laboratory (or a Labrador retriever)
- Aneurysm, saccular An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Vaccine, oral polio See: Polio vaccine, oral
- BAEP (brainstem auditory evoked potentials) See: ABR test
- Chronic arthritis, systemic-onset juvenile See: Arthritis, systemic-onset juvenile rheumatoid
- Vertebra, second cervical The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…