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).
Marker, tumor
Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body tissues of some patients with certain types of cancer. A tumor marker may be made by a tumor itself or by the body in response to…
Read the definitionRandom terms
Show more- NLD Necrobiosis lipoidica diabeticorum
- T-suppressor cells T cells that express the CD8 transmembrane glycoprotein (CD8+ T cells). They close down the immune response…
- Heart failure Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the…
- Germ 1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism…
- Monaural Relating to one ear. Hearing aids may be monaural (for one ear) or binaural (for both ears). From monos…
- Banding of chromosomes The treatment of chromosomes to reveal characteristic patterns of horizontal bands like bar codes. The…
- Factor V Leiden A genetic disorder of blood coagulation (clotting) that carries an increased risk of venous thromboembolism…
- Electrolysis Electrolysis: Permanent removal of body hair, including the hair root, with an electronic device. While it is…
- Incest Sexual activity between individuals so closely related that marriage is prohibited. Incest involving a child…
- Fever, desert A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Meniscus, medial knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Ligature In surgery, a filament or thread used to tie something, such a blood vessel to prevent it from bleeding or…