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).
Blindness
Loss of useful sight. Blindness can be temporary or permanent. Damage to any portion of the eye, the optic nerve, or the area of the brain responsible for vision can lead to blindness. There are numerous (actually, innumerable) causes of…
Read the definitionRandom terms
Show more- Heart muscle A type of muscle with unique features only found in the heart. The heart muscle, or cardiac muscle, is…
- Trichotillomania Compulsive hair pulling. A disorder characterized by the repeated urge to pull out scalp hair, eyelashes…
- Syringoma A benign (non-cancerous) skin tumor that derives from eccrine cells, specialized cells that are related to…
- Dermatitis Inflammation of the skin, either due to direct contact with an irritating substance, or to an allergic…
- Southern blot A test commonly used in molecular biology and genetics, the purpose of the test being to check for a match…
- Capillary One of the tiny blood vessels that connect the arterioles (the smallest divisions of the arteries) and the…
- Syndrome, Usher A genetic disorder characterized by hearing impairment and an eye disorder called retinitis pigmentosa in…
- Prion disease A disease due to a prion, a proteinaceous infectious particle that lacks nucleic acids. Prions are composed…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Low vision A visual impairment, not corrected by standard glasses, contact lenses, medicine, or surgery, that interferes…
- Zoll, Paul M. American cardiologist (1911-1999) and pioneer in the development of the cardiac monitor, pacemaker and…
- Obstructive sleep apnea Sleep apnea (OSA): Sleep apnea is a breathing disorder characterized by brief interruptions of breathing…