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).
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Show more- Jackknife seizure See: Infantile spasms
- Extracolonic Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies
- RNA, messenger A class of RNA that is the template upon which polypeptides are put together. Abbreviated mRNA
- Pachydactyly Thick fingers or toes. A feature, for example, of neurofibromatosis. From the Greek pachys, thick + daktylos…
- Safe sex 1. A sexual practice designed to reduce the risk of catching sexually transmitted infections (STIs). 2. A…
- Lymphatics Small thin channels similar to blood vessels that do not carry blood, but collect and carry tissue fluid…
- Fournier's gangrene Gangrene: A horrendous infection of the genitalia that causes severe pain in the genital area (in the penis…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Optic nerve head The circular area in the back of the inside of the eye where the optic nerve connects to the retina
- Federal Emergency Management Agency Better known as FEMA, an agency of the US government dedicated to rapid response to disasters, both man-made…
- Henna A coloring made from the leaves of the Egyptian privet, Lawsonia inermis. Approved only for use as a hair…
- Clinical research trials Clinical research trials: Trials to evaluate the effectiveness and safety of medications or medical devices…