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).
Sign language
Sign language: A language that employs signs made with the hands and other movements, including facial expressions and postures of the body, used primarily by people who are deaf. There are many different sign languages as, for example…
Read the definitionRandom terms
Show more- Cancer registry A register designed to collect information about the occurrence (incidence) of cancer, the types of cancers…
- Hydrocephalus, normal pressure See: Normal pressure hydrocephalus
- TSC1 The tuberous sclerosis 1 gene. The product of the TSC1 gene is a protein called hamartin. This protein…
- Rice rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- Chordae tendineae Thread-like bands of fibrous tissue which attach on one end to the edges of the tricuspid and mitral valves…
- Right hepatic duct The duct that drains bile from the right half of the liver and joins the left hepatic duct to form the common…
- Amoxicillin L ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Amoxicillin Main…
- Tocolysis The delaying or inhibition of labor during the birth process
- Nictitating spasm Spasm of the eyelid with continuous winking. To nictitiate is to wink. 'Nictitate' and the older verb…
- Exercise cardiac stress testing The most widely used cardiac (heart) screening test. The patient exercises on a treadmill according to a…
- Disease, Quincke's This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- Hyperthermia, malignant A series of potentially fatal problems that can occur during surgery, malignant hyperthermia is caused by a…