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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Antiestrogen
A substance that can prevent the full expression of estrogen. Antiestrogens act by exerting antagonistic effects on target tissues (androgens and progestogens act in this way) or by competing with estrogens for access to receptor sites…
Read the definitionRandom terms
Show more- Ferritin The major iron storage protein. The blood level of ferritin serves as an indicator of the amount of iron…
- Torticollis The most common of the focal dystonias, torticollis is a state of excessive of inadequate muscle tone in the…
- Fourth disease A disorder characterized by a rash due to a toxin produced by Staphylococcus aureus (Staph aureus bacteria)…
- Smoking, passive The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Monoarticular Involving just one joint. As opposed to polyarticular (affecting many joints). From the Latin 'articulus,'…
- Zoll, Paul M. American cardiologist (1911-1999) and pioneer in the development of the cardiac monitor, pacemaker and…
- DNA virus A virus in which the genetic material is DNA rather than RNA. The DNA may be either double- or…
- Maxilla The maxilla is the major bone of the upper jaw
- Multidetector computed tomography (MDCT) A form of computed tomography (CT) technology for diagnostic imaging. In MDCT, a two-dimensional array…
- Rumination 1. Regurgitating food after a meal and then swallowing and digesting some of it. Cattle and other ruminant…
- Primary First or foremost in time or development. The primary teeth (the baby teeth) are those that come first…
- Fovea In the eye, a tiny pit located in the macula of the retina that provides the clearest vision of all. Only in…