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).
DNA, coding
A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called introns that have no apparent function. Coding DNA is also known as an exon
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Show more- Papilla, cancer of Cancer of: Cancer of a structure called the papilla or ampulla of Vater, a small muscle located at the…
- Pigment A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair
- Zinc excess Too much zinc can cause gastrointestinal irritation (upset stomach), interfere with copper absorption and…
- Expectoration A big polysyllabic word for sputum or the act of bringing up and spitting out sputum. From the Latin…
- Rosacea keratitis A condition affecting the eyes in about half of all cases of rosacea. It is characterized by burning and…
- DHEA Dehydroepiandrosterone
- Nil disease A form of kidney disease preferably called minimal change disease. See: Minimal change disease
- Sociopath A term once used for someone with what is now called antisocial personality disorder
- Rehydrate To restore lost water to the body tissues and fluids. Prompt rehydration is imperative whenever dehydration…
- Aneurysm, abdominal An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an…
- Japanese encephalitis A mosquito-borne viral infection, the leading cause of viral encephalitis in Asia. Japanese encephalitis…
- Syndrome, Martin-Bell Better known as the fragile X syndrome, the most common heritable form of mental retardation. Fragile X…