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.
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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).
Arteriosclerotic aneurysm
A localized widening (aneurysm) of a vessel that occurs because the vessel wall is weakened by arteriosclerosis. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is…
Read the definitionRandom terms
Show more- Leaded petrol See: Tetraethyl lead
- Down-regulation See: Downregulation
- Rosacea Rosacea: A chronic skin disease that affects the middle third of the face with persistent redness over the…
- Inner ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- Clone Literally a fragment, the word in modern medical science has come to mean a replica, for example, of a group…
- Beryllium A toxic metal found in ores containing other elements that is used in making metal alloys for nuclear…
- Peter Mansfield See: Mansfield, Peter
- Anaphia The inability to feel touch. From the Greek prefix an, not + Greek haphe, touch = inability to (feel) touch…
- Marker gene A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a…
- Fatty acid One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell…
- Amygdaloid body See: Amygdaloid nucleus