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).
Eye cataract
A clouding of the lens of the eye. The normally clear aspirin-sized lens of the eye starts to become cloudy. The result is much like smearing grease over the lens of a camera. It impairs normal vision. NTER> There are many causes of…
Read the definitionRandom terms
Show more- Humerus The long bone in the arm which extends from the shoulder to the elbow.
- Guinea worm disease A parasitic disease caused by infection with the guinea worm (Dracunculus medinensis), the largest parasite…
- Nook Barker See: Barker, Horace Albert
- Myringotomy A surgically placed tiny incision in the eardrum. Any fluid behind the eardrum can then drain and usually…
- Viral particle See: Virion
- Chronic otitis externa Chronic inflammation of the skin lining the external ear canal leading to the ear drum. Can be caused by a…
- Cysteine An amino acid, one of the 20 building blocks of protein. Cysteine can be synthesized by the body and is not…
- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- MRSA infection MRSA infection: Frequently used abbreviation for: Methicillin-resistant staphylococcus aureus.
- Cerebrum The largest part of the brain. It is divided into two hemispheres, or halves. The word 'cerebrum' is the…
- Section, cross A transverse cut through a structure. The opposite is a longitudinal section
- Fibrin The protein formed during normal blood clotting that is the essence of the clot.