MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Coarctation of the aorta
A congenital constriction of the aorta, impeding the flow of blood below the level of the constriction and increasing blood pressure above the constriction. Symptoms may not be evident at birth but may develop as soon as the first week…
Read the definitionRandom terms
Show more- Hypokalemia Low blood potassium. Potassium is the major positive ion (cation) found inside of cells. The chemical…
- PCR (polymerase chain reaction) PCR (polymerase chain reaction): A key technique in molecular genetics that permits the analysis of any short…
- Functional magnetic resonance imaging The use of magnetic resonance imaging (MRI) to learn which regions of the brain are active in a specific…
- Age of father See: Paternal age
- Androgenic Pertaining to the development of male characteristics, including body hair, the genital organs and muscle…
- Pacing, diaphragm See: Diaphragm pacing
- Vaccinia 1. The cowpox virus which is used to vaccinate against smallpox. 2. A cutaneous or systemic reaction to…
- ZAP-70 Zeta-chain-associated protein kinase 70. A member of the protein tyrosine kinase family, ZAP-70 is normally…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…
- Nat'l Institute of Diabetes, Digestive and Kidney Y Diseases (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Prehypertension A systolic pressure of 120 to 139 mm Hg or a diastolic pressure of between 80 and 89 mm Hg. Prehypertension…
- Skin color The color of skin which is complexly determined. Skin color depends on many factors including reddening…