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).
Marfan syndrome
Marfan syndrome: An inherited disorder of connective tissue characterized by abnormalities of the eyes, skeleton, and cardiovascular system. Myopia (nearsightedness) is the most common eye feature. Displacement of the lens from the center…
Read the definitionRandom terms
Show more- Lateral femoral cutaneous mononeuropathy See: Meralgia paresthetica
- Colitis Inflammation of the large intestine (the colon). There are many forms of colitis, including ulcerative…
- AIDS-related complex A term used to describe people with HIV infection who have only mild symptoms of illness such as swollen…
- Arthroscopy Arthroscopy: A surgical technique whereby a tube-like instrument is inserted into a joint to inspect…
- Adventitia The outermost connective tissue covering of any organ, vessel, or other structure. For example, the…
- Olfactory apparatus The entire system needed to have a sense of smell. This system involves at least 1,000 genes for the…
- Vitamin O Not a true vitamin but rather a pricey health supplement that is composed largely of salt water (plus some…
- ThinPrep Pap test A modified Pap test technique designed to reduce some of the technical problems inherent in the traditional…
- RP Retinitis pigmentosa
- Nerve, pressor A pressor nerve is a nerve which, when stimulated, causes the blood pressure to rise. The word 'pressor'…
- Sensory neuron A neuron that receives electrical input signals from sensory cells and from other neurons
- Remission Disappearance of the signs and symptoms of cancer or other disease. When this happens, the disease is said to…