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).
Pap test
A screening test for cervical cancer based on the examination under the microscope of cells collected from the cervix, smeared on a slide and specially stained to reveal premalignant (before cancer) and malignant (cancer) changes as well…
Read the definitionRandom terms
Show more- Ants, velvet Ommon in most parts of the world including the Southern and Southwestern U.S., velvet ants are not true ants…
- Aphasia, amnestic See Anomia
- Membrane-associated neutral endopeptidase Pertaining to a membrane. As in acute membranous gingivitis, membranous nephropathy, and pseudomembranous…
- Explicit memory Memory in which there is a need for conscious recollection in order to recall something. By contrast, in…
- Progressive dementia with cerebellar ataxia See: Gerstmann-Straussler-Scheinker syndrome
- Vaccination, varicella A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Zona pellucida The strong membrane that forms around an ovum as it develops in the ovary. The membrane remains in place…
- Nonsteroidal anti-inflammatory drug Nonsteroidal anti-inflammatory drug: A type of drug commonly prescribed for the treatment of inflammation of…
- Syndrome, mucocutaneous lymph node A syndrome of unknown origin, mainly affecting young children. It causes fever, reddening of the eyes…
- PPS (post-polio syndrome) Post-polio syndrome: A constellation of symptoms and signs that appear from 20 to 40 years after the initial…
- Dysarthria Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- Defibrillator, implantable cardiac A device put within the body that is designed to recognize certain types of abnormal heart rhythms…