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).
Roentgenology
Radiology, the science of radiation and, specifically, the use of both ionizing (like X-ray) and nonionizing (like ultrasound) modalities for the diagnosis and treatment of disease. Roentgenology is named for Wilhelm Conrad Roentgen who…
Read the definitionRandom terms
Show more- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…
- Gallstones, microscopic Gallstones, microscopic: A mixture of microscopic particulate matter in bile, also called biliary sludge…
- Transaminase clinical usage Two of the better known enzymes in the transaminase class are serum glutamic oxaloacetic transaminase (SGOT)…
- Melanoma, benign A tumor of the melanocytes that is not cancerous
- Human neutrophil peptide See: Defensin
- Multifactorial Multiple factors. Multifactorial inheritance is the type of hereditary pattern seen when there is more than…
- Laryngectomy, total A surgical procedure in which the whole voice box is removed, and the stoma opening into the larynx is…
- Deficiency, hexosaminidase A See: Tay-Sachs disease
- Japanese encephalitis A mosquito-borne viral infection, the leading cause of viral encephalitis in Asia. Japanese encephalitis…
- FMF (familial Mediterranean fever) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Artery, vertebral A key artery located in the back of the neck that carries blood from the heart to the brain
- Flow karyotyping Use of flow cytometry to analyze and/or separate chromosomes on the basis of their DNA content