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).
Selective Estrogen-Receptor Modulator (SERM)
A 'designer estrogen' which possesses some, but not all, of the actions of estrogen. For example, raloxifene (trade name EVISTA) is classified as a SERM because it prevents bone loss (like estrogen) and lowers serum cholesterol (like…
Read the definitionRandom terms
Show more- Mass spectrometry An instrument used to identify chemicals in a substance by their mass and charge. Mass spectrometers are…
- Multicentric Having more than one center. A term often applied to tumors. A minority of Wilms tumors are multicentric and…
- Placebo-controlled A term used to describe a method of research in which an inactive substance (a placebo) is given to one group…
- Nausea Nausea, is the urge to vomit. It can be brought by many causes including, systemic illnesses, such as…
- Eustachian tube The tube that runs from the middle ear to the pharynx. The function of the Eustachian tube is to protect…
- Aneurysmal bruit A blowing sound heard over an aneurysm, a widening of a vessel. Bruit is French for noise
- Blood bank A place where blood is collected from donors, typed, separated into components, stored, and prepared for…
- Omega-3 fatty acids Omega-3 fatty acids: A class of fatty acids found in fish oils, especially from salmon and other cold-water…
- Myeloid Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- Coagulation In medicine, the clotting of blood. The process by which the blood clots to form solid masses, or clots. More…
- Myokymia Continuous involuntary muscle twitchings that give the appearance of wormlike rippling of muscle. The muscle…
- Oxyhemoglobin The oxygen-loaded form of hemoglobin, the predominant protein in red blood cells. Hemoglobin is a protein…