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).
Human Genome Project
International effort aimed at identifying and sequencing (ordering) all of the bases in the human genome. American participation in this monumental undertaking has been supported by funds from the National Institutes of Health (NIH) and…
Read the definitionRandom terms
Show more- Spit 1. As a noun: Popular term for sputum.2. As a verb: To eject sputum; to expectorate.See: Sputum
- Fraction, ejection The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not…
- Antibody, antinuclear An unusual antibody that is directed against structures within the nucleus of the cell. Antinuclear…
- Anesthetist 1. In the US, a nurse or technician trained to administer anesthetics.2. In the UK, the same as an…
- Duodenal Pertaining to the duodenum, part of the small intestine. As in duodenal ulcer or duodenal biliary drainage
- Polymorphism A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- Ocular Having to do with the eye. In a microscope, the lens closest to the eye is termed the ocular (the eyepiece)…
- KSS Kearns-Sayre syndrome
- Thrombus A blood clot in a blood vessel or within the heart. From the Greek thrombos meaning a lump or clump, or a…
- Retraction syndrome See: Duane syndrome
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Hematuria, gross Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but…