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).
Cohort study
A study in which a particular outcome, such as death from a heart attack, is compared in groups of people who are alike in most ways but differ by a certain characteristic, such as smoking. See also: Cohort
Read the definitionRandom terms
Show more- Pulmonary vein One of four vessels that carry aerated blood from the lungs to the left atrium of the heart. (The four are…
- Toxoplasmosis (toxo) Toxoplasmosis (toxo): An infection caused by a single-celled parasite named Toxoplasma gondii that may invade…
- Vision therapy The use of special eye exercises to address eye defects, such as strabismus. Some vision therapists also…
- House officer A resident physician and surgeon of a hospital (the 'house') who is receives further training, usually in a…
- Seizure, atonic See: Atonic seizure
- FAS diagnosis See: Fetal alcohol syndrome diagnosis
- Mathematics disorder A condition characterized by math skills that are significantly below normal, given the person's age…
- Fenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Microabscess A tiny abscess. A small accumulation of pus
- Diet, DASH See: DASH diet
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…
- Bornholm disease Bornholm disease is a temporary illness that is a result of virus infection. The disease features fever and…