MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
CEA assay
Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the developing fetus. CEA is tested in blood. The normal range is <2.5 ng/ml in an adult non-smoker and <5.0 ng/ml in a smoker…
Read the definitionRandom terms
Show more- Cancer, thyroid See: Thyroid cancer
- On call In medicine, the person who is ready to respond, the one on duty. As in 'Who is the doctor on call this…
- Neuron-specific enolase (NSE) Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Macular retinopathy Any pathologic condition or disease of the macula, the small spot in the retina where vision is keenest. Also…
- Colitis, granulomatous Crohn's disease of the colon (the large intestine). Crohn's disease is a chronic inflammatory disorder…
- Gilbert syndrome Gilbert syndrome: A common but harmless genetic condition in which a liver enzyme essential to the disposal…
- Tag, ear Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…
- Genetic code The instructions in a gene that tell the cell how to make a specific protein. A, T, G, and C are the…
- Particle, alpha A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from…
- Checkpoint The side of the face forming the side wall of the mouth. The cheek bone is part of the temporal bone of the…
- Mentum Medical term for the chin. From Latin. See: Chin
- Rickettsiosis, North Asian tick-borne One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted…