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).
Brain aneurysm
Brain aneurysm: A brain aneurysm is a small outpouching (an aneurysm) that looks like a berry and classically occurs at the point at which a cerebral artery departs from the circular artery (the circle of Willis) at the base of the brain…
Read the definitionRandom terms
Show more- Stepmother The wife of a man who had a child by another women. See: Novercal
- Sunburn Sunburn is an inflammation of the skin that develops in response to exposure to ultraviolet (UV) radiation…
- Zenker diverticulum The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane…
- Surgery, plastic The field of surgery concerned with reducing scarring or disfigurement that may occur as a result of…
- Birt Hogg Dube syndrome See: Birt-Hogg-Dube syndrome
- Clot, blood See Blood clot
- Pediatrics 'Pediatrics is concerned with the health of infants, children and adolescents, their growth and development…
- G (drug caution code) Abbreviation on a medication that stands for 'glaucoma' and indicates the medication can cause problems for a…
- Descending aorta The descending aorta is the part of the aorta, the largest artery in the body, that runs down through the…
- Reading frame One of the three possible ways to read a nucleotide sequence in DNA or RNA as a series of nonoverlapping…
- Rectal exam, digital (DRE) An exam done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a…
- Ventricles 1, The right ventricle and the left ventricle, the lower two chambers of the heart. 2. Two or more of the…