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).
Multisection CT
See: Multidetector computed tomography
Read the definitionRandom terms
Show more- Ounce A measure of weight equal to 1/16th of a pound or, metrically, 28.35 grams. The abbreviation for ounce is oz…
- Aorta, ascending The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- Strabismus surgery Surgery for strabismus, a condition in which the visual axes of the eyes are not parallel and the eyes appear…
- Congenital malformation A physical defect present in a baby at birth, irrespective of whether the defect is caused by a genetic…
- Loss-of-function mutation A mutation that results in reduced or abolished protein function. Gain-of-function mutations,which are much…
- Endopeptidase An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to…
- Ejection fraction The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not…
- Dyad The word 'dyad' comes from the Greek 'dyas' meaning the number two. In psychology, a dyad refers to a pair of…
- Genetic immunodeficiency disease See: Primary immunodeficiency disease
- Rate, mortality A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Sex chromosome The X chromosome or the Y chromosome, in humans. The sex chromosomes determine the sex of an individual. As a…
- Arthrocentesis Joint aspiration, a procedure whereby a sterile needle and syringe are used to drain fluid from a joint. This…