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).
Progestational hormone
A synonym for the hormone progesterone. See: Progesterone
Read the definitionRandom terms
Show more- Specific-pathogen free A term applied to animals reared for use in laboratory experiments when the animals are known to be free of…
- Sigmoidoscope A thin lighted instrument used to view the inside of the rectum and lower colon
- Migraine, abdominal An attack of abdominal pain that may be preceded by a migraine aura and accompanied nausea, vomiting, and…
- Cholangiogram A radiologic procedure used to look at the gallbladder and bile ducts. See also: Intravenous cholangiogram.
- Pneumocystis carinii Now called Pneumocystis jiroveci. See: Pneumocystis
- Osteotomy, displacement Surgical reconfiguration of a bone by changing its physical relationship to other bones
- Meningitis, viral Inflammation of the meninges (the tissues that cover the brain and spinal cord) caused by a virus, usually…
- Institutional Review Board IRB. A group of scientists, doctors, clergy, and consumers at each health care facility that participates in…
- Visual acuity The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Thrombectomy Procedure to remove a clot (a thrombus)
- Phen-Fen The once-popular diet-drug combination of fenfluramine and phentermine that, amidst much media attention, was…
- Cholera genome The genome of the bacterium called Vibrio cholerae that causes cholera. This genome contains over 4 million…