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).
Dissecting aneurysm
A localized widening (dilatation) of an artery (an aneurysm) in which the wall of an artery rips (dissects) longitudinally. This occurs because bleeding into the weakened wall splits the wall. Dissecting aneurysms tend to affect the…
Read the definitionRandom terms
Show more- Genome, plague See: Plague bacterium genome
- Genome, Vibrio cholerae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Asparagine An amino acid, one of the 20 building blocks of protein. Asparagine is nonessential to the diet since the…
- Respiratory rate The number of breaths per minute or, more formally, the number of movements indicative of inspiration and…
- Intradermal In or into the skin. An intradermal injection is given into the skin. Intradermal tests are a type of skin…
- Pregnancy, pernicious vomiting of Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- EBA (epidermolysis bullosa acquisita) See: Epidermolysis bullosa acquisita
- Motor In medicine, having to do with the movement of a part of the body. Something that produces motion or refers…
- Francis Crick See: Crick, Francis
- Osteotomy, cuneiform Surgical removal of a triangular piece of bone
- RLQ Abbreviation for the right lower quadrant (quarter) of the abdomen. The RLQ of the abdomen contains the…
- Materteral 1. Literally, relating to a maternal aunt.2. Figuratively, suggestive of an aunt on either side of the…