MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Prostaglandin E2
One of the prostaglandins, a group of hormone-like substances that participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood…
Read the definitionRandom terms
Show more- Naming diseases See: Disease nomenclature
- Iridology The practice of diagnosing disease by examining the iris of the eye. Although some diseases do affect the…
- Kidney stones, cystine Cystine kidney stones are due to cystinuria, an inherited (genetic) disorder of the transport of an amino…
- Intestinal pseudo-obstruction Symptoms of intestinal obstruction with no sign of actual physical obstruction. This condition may be due to…
- Antibiotic A drug used to treat infections caused by bacteria and other microorganisms. Originally, an antibiotic was a…
- Fecund Fruitful, abundantly fertile. Just as a writer is prolific, a woman may be fecund, able to reproduce…
- Node, SA The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the…
- Varicella immunization See Chickenpox immunization
- Midwife, lay See: Lay midwife
- Pit, ear Tiny pit in front of the ear. Also preauricular pit. A minor anomaly of no great consequence in itself. More…
- Celiac sprue See: Celiac disease
- Frontal bone The large bone that makes up the forehead and supplies the upper edge and roof of the orbit (eye socket). The…