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).
Legal blindness
The criteria used to determine eligibility for government disability benefits and which do not necessarily indicate a person's ability to function. In the US, the criteria for legal blindness are: > >Visual acuity of 20/200 or worse in the…
Read the definitionRandom terms
Show more- National Eye Institute (NEI) One of the US National Institutes of Health, NEI's mission is to 'conduct and support research, training…
- Dysplasia Abnormal in form. From the Greek dys- (bad, disordered, abnormal) and plassein (to form). For example…
- Pain, back Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to…
- Silicosis A form of lung disease resulting from occupational exposure to silica dust over a period of years. Silicosis…
- Fovea centralis See: Fovea.
- Aphthous ulcer Aphthous ulcer: A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker…
- Atrophy, peroneal muscular Charcot-Marie-Tooth disease
- Potassium perchlorate See: Perchlorate
- Anticoagulant Any agent used to prevent the formation of blood clots. Anticoagulants have various uses. Some are used for…
- Familial Parkinson disease type 5 A familial form of Parkinson disease inherited in an autosomal dominant manner due to mutation in the UCHL1…
- Somatic 1. Relating to the body. a. As distinguished from the mind (the psyche). b. As distinguished from the gonads…
- Memory, anterograde See: Anterograde memory