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).
Seed implantation
Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly in or near the target, often a tumor
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Show more- Endothelial progenitor cell A primitive cell made in the bone marrow that can enter the bloodstream and go to areas of blood vessel…
- Pulmonary trunk A vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and…
- Penicillin history The discovery of penicillin, one of the major events in the history of medicine. In 1871 the scientist Joseph…
- Completely-in-the-canal hearing aid The smallest and most discreet of the common styles of hearing instruments. Completely-in-the-canal (CIC)…
- Diuresis The increased formation of urine by the kidney. See diuretic for more detail
- PI In medecine, not a private investigator but a principal investigator, the person who directs a research…
- Amino acid, essential An amino acid that cannot be made by humans and so is essential to the human diet. There are 9 essential…
- Health for All A global health movement undertaken by the World Health Organization (WHO) in the late 20th century. In 1977…
- Ovarian cyst A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results…
- Trypanosomiasis, American See: Chagas disease.
- Erosion An erosion is an eating away of a surface. ('Erodere' in Latin means to eat out.) For example, a skin erosion…
- Jet lag Jet lag: A temporary disorder that causes fatigue, insomnia, and other symptoms as a result of rapid air…