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).
Ventricular assist device
A mechanical pump that takes over the function of the damaged ventricle of the heart and restores normal blood flow. Left ventricular assist devices (LVADs) were originally developed for patients with heart disease from which they were not…
Read the definitionRandom terms
Show more- Placenta, succenturiate An extra placenta separate from the main placenta. In anatomy 'succenturiate' means accessory to an organ. In…
- Antonio Maria Valsalva See: Antonio Maria Valsalva
- CNS (central nervous system) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Efferent nerve A nerve that carries impulses away from the central nervous system (CNS). An efferent nerve is the opposite…
- RUQ Abbreviation for the right upper quadrant (quarter). The RUQ of the abdomen contains the liver and the…
- Petasites hybridus See: Butterbur
- Arteriosclerosis Hardening and thickening of the walls of the arteries. Arteriosclerosis can occur because of fatty deposits…
- Ortho- (prefix) Prefix meaning straight or erect. From the Greek 'orthos' that means just that: straight or erect. Examples…
- Mite, dust See: Dust mite
- Immunization, HIB This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Palatine Anatomically, pertaining to the palate. For example, the palatine bone
- Vaccination, German measles See Immunization, MMR.