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).
Epidemic
The occurrence of more cases of a disease than would be expected in a community or region during a given time period. A sudden severe outbreak of a disease such as SARS. From the Greek 'epi-', 'upon' + 'demos', 'people or population' =…
Read the definitionRandom terms
Show more- FDA recalls Recalls: The recall of a defective or possibly harmful product by the US Food & Drug Administration (the…
- Beau lines See: Beau's lines
- Scintigraphy A diagnostic test in which a two-dimensional picture of a body radiation source is obtained through the use…
- Achondrogenesis, Langer-Saldino type See: Achondrogenesis type II
- Blood sugar, low The sugar here is glucose. Low blood glucose constitutes hypoglycemia. Hypoglycemia is only significant when…
- Sensation In medicine and physiology, sensation refers to the registration of an incoming (afferent) nerve impulse in…
- Ancylostoma infection Hookworm, an intestinal parasite that usually causes diarrhea or cramps. Heavy infestation with hookworm can…
- Music therapy The use of music in therapy; the therapeutic use of music. There are many different definitions of music…
- Itching, anal See: Anal itching
- Mudslide injury See: Landslide injury
- Gynecomastia Excessive development of the male breasts. Temporary enlargement of the breasts is not unusual or abnormal in…
- Leukotriene One of a group of hormones that cause the symptoms of hayfever and asthma. Derived from arachidonic acid, the…