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).
Onchocerciasis
River blindness, a disease caused by a parasitic worm (Onchocerca volvulus) which is transmitted to persons by biting blackflies (buffalo gnats) that breed in fast-flowing rivers. The adult worms can live for up to 15 years in nodules…
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Show more- Tuberculosis, dormant Tuberculosis, dormant: The presence of evidence for tuberculosis infection from a positive TB skin test in a…
- Restriction site A sequence in DNA that can be recognized and cut by a specific restriction enzyme.
- CA 15-3 A tumor marker most useful in following the course of treatment in women diagnosed with breast cancer…
- Hippocratic Oath One of the oldest binding documents in history, the Oath written by Hippocrates is still held sacred by…
- Tuber A lump or bump. The backward protrusion of the heel is called the tuber calcanei or, alternatively, the…
- Subarachnoid hemorrhage Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- Frigidity Failure of a female to respond to sexual stimulus; aversion on the part of a woman to sexual intercourse…
- H (drug caution code) Abbreviation standing for habitforming on a medication that indicates caution because the medication may…
- Meibomianitis Inflammation of the little glands called Meibomian glands located in the eyelids that make a lubricant which…
- Heterochromia iridis A difference of color between the iris of one eye and the other. (A person with one brown and one blue eye…
- Gene The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a…
- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…