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).
Ductus, patent
Failure for the ductus arteriosus, an arterial shunt in fetal life, to close on schedule. Before birth, blood pumped from the heart through the pulmonary artery toward the lungs is shunted into the aorta. This arterial shunt is a short…
Read the definitionRandom terms
Show more- Vaccinia, disseminated See Progressive vaccinia
- Congenital lymphedema A condition present at birth in which excess fluid called lymph collects in tissues and causes swelling…
- Human Genome Organisation The international organization of scientists involved in the Human Genome Project, the global initiative to…
- Acute kidney failure See: Acute renal failure
- Atenolol 4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Atenolol Main…
- Lung cancer, oat cell See: Oat cell cancer
- Palsy, laryngeal Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…
- GM2-gangliosidosis, type 1 This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in…
- Quickening The moment during pregnancy when the baby is first felt to move
- Leucovorin Folinic acid, the active form of folic acid in the body. Used as an antidote to protect normal cells from…
- Biopsy, sentinel-lymph-node See: Sentinel lymph node biopsy
- EPT Estrogen/progestin therapy