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).
Heart
The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the chest behind the sternum (breastbone; in front of the trachea, esophagus, and aorta; and above the diaphragm muscle that separates…
Read the definitionRandom terms
Show more- FLT-3 inhibitor A gene-targeted therapy for a common subtype of acute myeloid leukemia (AML) known as FLT-positive AML in…
- Conjoined twin Identical (monozygotic) twins that did not separate fully from one another but are still partially united…
- Ketonuria A condition in which abnormally high amounts of ketone bodies (a byproduct of the breakdown of cells) are…
- Micturate To urinate. The verb 'micturate' (like the noun 'micturation') comes from the Latin 'micturire' meaning 'to…
- African tapeworm The beef tapeworm (Taenia saginata), the most common of the big tapeworms that parasitizes people, contracted…
- Helix, double The structure of DNA with the two strands of DNA spiraling about one other. The double helix looks something…
- Petasites hybridus See: Butterbur
- Lavage Washing out. Gastric lavage is washing out the stomach, for example, to remove drugs or poisons
- Plasmid A circle of DNA that is self-replicating (autonomously replicating) and distinct from the normal genome of…
- Panic disorder Panic disorder: A disorder characterized by sudden attacks of fear and panic. The episodes may resemble a…
- Clamydia A common misspelling of Chlamydia
- Juxta- The prefix "juxta-" comes from the Latin preposition meaning near, nearby, close. Juxtaarticular is composed…