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).
Keloid
Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap. Somehow, they normally 'know' when the scar tissue is level with the skin, at which point the cells stop multiplying. When the…
Read the definitionRandom terms
Show more- Conformational radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Genu The Latin word for the knee. When the knee is referred to in medicine, it is just called the knee. However…
- Yellow enzymes A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire, to breath…
- Natural immunity Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen…
- Vaccine, inactivated polio See: Polio vaccine, inactivated
- Rotator cuff Rotator cuff: A group of four tendons that stabilize the shoulder joint. Each of the four tendons hooks up to…
- Syndrome, Wolfram See: Wolfram syndrome
- Vision, tunnel See: Tunnel vision
- Sense, balance Our sense of balance is regulated by a complex interaction of the following parts of the nervous system: >…
- Induced abortion An abortion that is brought about intentionally. Also called an artificial or therapeutic abortion. As…
- Hematophobia An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread…
- APM1 Adipose most abundant gene transcript 1. (AdiPose Most abundant gene transcript 1 = APM1.) The APM1 gene…