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).
Angiogram
An x-ray of blood vessels which can be seen because the patient receives an injection of dye to outline the vessels on the x-ray
Read the definitionRandom terms
Show more- Osteopenia Mild thinning of the bone mass, but not as severe as osteoporosis. Osteopenia results when the formation of…
- Male chromosome complement The large majority of males have a 46, XY chromosome complement (46 chromosomes including an X and a Y…
- C. difficile Clostridium difficile
- Giant cell tumor of bone A tumor of bone characterized by massive destruction of the end (epiphysis) of a long bone. The site most…
- Water pore See: Aquaporin
- Preemie Short slang for a premature baby. A preterm infant. Also spelled premie.
- Positive clinical trial A clinical trial that shows that the new treatment has a large beneficial effect and is superior to standard…
- Oligohydramnios Scant amniotic fluid: less than usual.
- Samaritan See Good Samaritan
- Vein, superior vena cava A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the…
- Labor, false Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the…
- Maternal age The number of maternal deaths related to childbearing divided by the number of live births (or by the number…