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).
Intraocular lens
An artificial lens made of plastic, silicone, acrylic or other material that is implanted inside the eye during cataract surgery. Abbreviated IOL. Removal of the cataract and insertion of the IOL typically takes about an hour and does not…
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Show more- Radiation therapy, internal Radiation therapy in which a small container of radioactive material is implanted in the body, in or near the…
- Osteochondrosis Any disease that affects the progress of bone growth by killing bone tissue. Osteochondrosis is seen only in…
- Hay fever Hay fever: A seasonal allergy to airborne particles characterized by itchy eyes, runny nose, nasal…
- Epilepsy, temporal-lobe Epilepsy that is characterized by abnormal electrical activity in the temporal lobe of the brain. This…
- Vaccination, hepatitis B Hepatitis B: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually…
- Dobelle, William H. (1941-2004) Pioneer designer of an experimental system of artificial vision for the blind involving the…
- Echovirus A group of viruses found in the gastrointestinal tract. The 'echo' part of the name stands for enteric…
- U (uracil) A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is…
- Ptosis of the eyelids, adult Drooping of the upper eyelids in adults, most commonly due to separation of the tendon of the lid-lifting…
- Ophthalmopathy Any eye disease. External ophthalmopathy may refer to any disease of the eyelid, cornea, conjunctiva, or eye…
- Oculocraniosomatic syndrome See: Kearns-Sayre syndrome
- Proxi- Toward the beginning, the nearer of two (or more) items. For example, the proximal end of the femur is part…