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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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…
Read the definitionRandom terms
Show more- Urinary calculus A stone in the urinary tract. The word 'calculus' in Latin means 'a pebble.' Pebbles were once used for…
- Vagina, septate A vagina that is divided, usually longitudinally, to create a double vagina. This situation can be easily…
- Urination, painful See: Dysuria
- Gorlin-Goltz syndrome See: Gorlin syndrome
- Tyrosinemia type II A metabolic genetic disease due to deficiency of the enzyme tyrosine transaminase. The disease is…
- Rebound Return of the original symptoms when maneuvers or treatment is discontinued
- Rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- Hippocampus An area buried deep in the forebrain that helps regulate emotion and memory. Functionally, the hippocampus is…
- Autosomal dominant A pattern of inheritance in which an affected individual has one copy of a mutant gene and one normal gene on…
- Phagocytosis The process by which a cell engulfs particles such as bacteria, other microorganisms, aged red blood cells…
- Thoraces Plural of thorax.
- Coccidioidomycosis (CM) A disease due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop…