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).
Tissue plasminogen activator
(tPA) An enzyme that helps dissolve clots. tPA is made by the cells lining blood vessels and has also been made in the laboratory. It is systemic thrombolytic (clot-busting) agent and is used in the treatment of heart attack and stroke…
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Show more- Hereditary kidney cancer Kidney cancer due to a gene than can be transmitted from parent to child. The vast majority of kidney cancer…
- Impotence Impotence: A common problem among men characterized by the consistent inability to sustain an erection…
- Maintenance therapy Treatment designed to help the original primary treatment succeed. Maintenance chemotherapy may be given to…
- Genetics, transplantation The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- HDL cholesterol Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Rapid plasma reagin test A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative…
- Ascus An elongated spore case containing the spores of certain fungi including yeast
- Aase-Smith syndrome I A syndrome of congenital malformations (birth defects) characterized by hydrocephalus, cleft palate, and…
- OHRP The Office of Human Research Protections, the agency responsible for developing, monitoring and exercising…
- Reporting, unique identifier In public health, a system that uses information such as the person's birth date and part of their…
- Defibrillator, automated external Destruction of the underlying cartilage framework of the outer ear (pinnae), usually caused by either…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp