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).
Septal defect, atrial (ASD)
A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD. ASDs are a major class of heart deformity that is present at birth (congenital cardiac malformation)
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Show more- Syndrome, lipodystrophy A disturbance of lipid (fat) metabolism that involves the partial or total absence of fat and often the…
- Medic Alert Originally,a bracelet that a person could wear to warn medical professionals in an emergency about a serious…
- Stillbirth The tragic birth of a dead baby, the delivery of a fetus that has died before birth. There is no possibility…
- AChE (acetylcholinesterase) Abbreviation for acetylcholinesterase. See: Acetylcholinesterase
- RWI Recreational water illness
- Film, tear See: Tear film
- DISH Diffuse idiopathic skeletal hyperostosis
- Lateral X-ray An X-ray picture taken from the side
- Tumescent Swelling; slightly tumid (swollen). For example, tumescent liposuction involves pumping a solution beneath…
- Range of motion The range through which a joint can be moved, usually its range of flexion and extension. Due to an injury…
- Surgery The word 'surgery' has multiple meanings. It is the branch of medicine concerned with diseases and conditions…
- Enterospasm A painful, intense contraction of the intestine