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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Tumor suppressor gene
A protective gene that normally limits the growth of tumors. When a tumor suppressor gene is mutated (altered), it may fail to keep a cancer from growing. BRCA1, an example of tumor suppressor genes, was the first breast cancer gene to be…
Read the definitionRandom terms
Show more- Myeloid leukemia, acute Myeloid leukemia, acute: A quickly progressive malignant disease in which there are too many immature…
- Genital wart A wart in the moist skin of the genitals or around the anus. Genital warts are due to a human papillomavirus…
- Medicine, legal See: Legal medicine
- Lingual 1. Having to do with the tongue. 2. Next to the tongue. In dentistry, the tooth surface next to the tongue…
- Scoliosis, acquired Lateral (sideways) curving of the spine present at birth or due to a condition present at birth. The…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Alpha blocker A drug that blocks receptors in arteries and smooth muscle. This action relaxes the blood vessels and leads…
- K (potassium) K is the symbol for potassium, the major positive ion (cation) found inside of cells. The chemical notation…
- Knockout mouse A mouse missing a single gene (that has been knocked out). Knockout mice are used in biomedical research
- Binocular vision The ability to maintain visual focus on an object with both eyes, creating a single visual image. Lack of…
- Morton's nerve entrapment See: Morton's neuroma
- Vulvodynia, essential A chronic, diffuse, unremitting sensation of burning of the vulva -- (the female external genital organs…