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).
I (drug caution code)
Abbreviation on a medication that indicates 'interaction' because the medication may interact adversely with another medication you may have taken or take in the future. While not a part of the historical heritage of ancient prescription…
Read the definitionRandom terms
Show more- Radioactive tracer A radioactive molecule that can be sent through the body's circulatory or urinary system, with its progress…
- Maturity onset diabetes of the young Diabetes mellitus that has early onset (usually before the age of 25), is non-insulin-dependent, and is…
- Dural sac The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural…
- Heart septum The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of…
- Syndrome, Ramsay Hunt See: Ramsay Hunt syndrome
- Cyanogen chloride See: Cyanide
- Nose The external midline projection from the face. The purpose of the nose is to warm, clean, and humidify the…
- Bos taurus genome See: Bovine genome
- Leishmania A group of parasites causing a disease called leishmaniasis. For a fuller definition and more information…
- Test, exercise cardiac stress The exercise cardiac stress test (ECST) is the most widely used cardiac (heart) screening test. The patient…
- OSHA The Occupational Safety and Health Administration, an agency of the US government under the Department of…
- Intersexual genitalia Genitalia that are neither typically female nor typically male. Known in clinical medicine as ambiguous…