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).
Birth assistant
See: Doula (the first meaning)
Read the definitionRandom terms
Show more- Ankyrin deficiency Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane…
- Leg, ankle and foot bones There are 62 lower extremity bones. They consist of 10 hip and leg, 14 ankle and 38 foot bones. > >The 10 hip…
- Antidiuretic hormone (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Pericardium, visceral The inner layer of the pericardium, a conical sac of fibrous tissue that surrounds the heart and the roots of…
- Genome, Saccharomyces cerevisiae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Essential fatty acid An unsaturated fatty acid that is essential to human health, but cannot be manufactured in the body. There…
- APC (gene) A major gene that is involved in causing colorectal cancer. APC is involved in both sporadic and familial…
- Jaundice, obstructive Jaundice caused by obstruction of the bile ducts, as with gallstones. Additional symptoms of obstructive…
- Vision, tubular See: Tubular vision; Tunnel vision
- ABG (arterial blood gas) The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels…
- Nostrum A worthless remedy. 'Nostrum' is an example of a term that came from medicine, entered the world beyond…
- Thermostat A device that monitors temperature and automatically maintains it at certain levels. In a human, a tiny part…