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).
Neutropenia
Neutropenia: Not enough neutrophils, neutrophils being a type of white blood cell (specifically a form of granulocyte) filled with neutrally-staining granules, tiny sacs of enzymes that help the cell to kill and digest microorganisms it…
Read the definitionRandom terms
Show more- Dopa-responsive dystonia (DRD) Dystonia (DRD): A condition that typically begins in childhood or adolescence with progressive difficulty in…
- BAC Abbreviation for bacterial artificial chromosome. An artificially created chromosome in which medium-sized…
- Na (sodium) Na is the chemical symbol for sodium. From natrium, a synonym for sodium. Sodium is the major positive ion…
- Embolism The obstruction of a blood vessel by a foreign substance or a blood clot blocking the vessel. Something…
- Parthenogenesis Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas…
- Fever, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- HHV-2 Human herpesvirus 2, a virus that causes genital herpes, which is characterized by sores in the area of the…
- Gram calorie (Calorie) The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Calicivirus >Norovirus, a common cause of food poisoning and acute gastroenteritis in humans; >Sapovirus, formerly called…
- Base sequence The order of the nucleotide bases -- adenine (A), thymine (T), guanine (G), and cytosine (C) -- in a DNA…
- DRVs (Daily Reference Values) A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye…
- Treacle A medicinal compound once in wide use as an antidote to poisons. Treacle was a kind of salve. It was reputed…