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).
Aneurysm
A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word 'aneurysm' comes from the Greek 'aneurysma' meaning 'a widening.
Read the definitionRandom terms
Show more- Herpes simplex type 1 A herpes virus that causes cold sores and fever blisters in and around the mouth. Here is a depiction of a…
- Zinc acetate A form of zinc that has been used as an emetic
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Homologous The relationship between two chromosomes that are paired and so are homologs of each other.
- Fibulin 3 A protein that belongs to a family of extracellular proteins expressed in the basement membranes of blood…
- Lemierre syndrome A potentially lethal form of sore throat caused by the bacterium Fusobacterium necrophorum, a common…
- Spinocerebellar Pertaining to the spinal cord and the cerebellum, as in spinocerebellar ataxia (ataxia with cerebellar…
- Retromingent Urinating backwards. Also an animal such as a raccoon that urinates backwards. As in: 'You have revealed…
- Flu vaccine Flu vaccine: The flu vaccination (influenza) is recommended for persons at high risk for serious…
- Cell, B See B cell
- CCD (cleidocranial dysostosis) >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Klumpke paralysis See: Klumpke palsy