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).
NEI
Stands for National Eye Institute, one of the US National Institutes of Health. NEI's mission is to 'conduct and support research, training, health information dissemination, and other programs with respect to blinding eye diseases, visual…
Read the definitionRandom terms
Show more- Heart, artificial A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Cardiopulmonary bypass Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is…
- TGF Transforming growth factor
- Fiber, elastic See: Elastic fiber
- Papules Small solid rounded bumps rising from the skin that are each usually less than 1 centimeter in diameter (less…
- Effacement The thinning of the cervix which occurs before and while it dilates
- Beaded vitreous type Stickler syndrome Stickler syndrome, type II. See: Stickler syndrome
- Tumor marker Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Cancer, lung Cancer of the major organ of respiration - the lung. Lung cancer kills more men and women than any other form…
- Lymphatics Small thin channels similar to blood vessels that do not carry blood, but collect and carry tissue fluid…
- Graft Healthy skin, bone, or other tissue taken from one part of the body to replace diseased or injured tissue…
- Enediyne A very potent and naturally occurring antibiotic that acts by cleaving DNA. The adverse effects of enediynes…