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).
Postcoital contraception
See: Emergency contraception
Read the definitionRandom terms
Show more- Event A set of outcomes. Cardiovascular events might include a heart attack and gastrointestinal events a GI bleed…
- Pressure, intraocular The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…
- Growing pains Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- EB (epidermolysis bullosa) See: Epidermolysis bullosa
- Calicivirus >Norovirus, a common cause of food poisoning and acute gastroenteritis in humans; >Sapovirus, formerly called…
- Reactive oxygen species Species such as superoxide, hydrogen peroxide, and hydroxyl radical. At low levels, these species may…
- FGFR3 Abbreviation for fibroblast growth factor receptor 3. Mutations in the FGFR3 gene are known to cause three…
- Keratoconus Keratoconus: Cone-shaped cornea with the apex of the cone being forward. Also called conical cornea.
- Nef gene Short for negative factor gene, a gene the absence (or defect) of which diminishes the strength of a disease…
- Oz. Abbreviation for ounce
- Macrocephaly, multiple lipomas, and hemangiomas Bannayan syndrome, a genetic disease characterized by macrocephaly (enlarged head), multiple lipomas (benign…
- Vitamin B6 A group of closely related chemical compounds with related names -- pyridoxine, pyridoxal and pyridoxamine --…