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- Moonflower An hallucinogenic but poisonous plant known scientifically as Datura that has white flowers that bloom at…
- APOBEC3G A human protein that interferes with the replication of HIV by incorporating itself into virus particles and…
- Hydrazine Hydrazine sulfate, an alternative medicine that has been claimed to be a treatment for cancer. It has been…
- Wamble Both a verb and noun meaning: 1. To move unsteadily; an unsteady motion. 2. To feel nauseated; a feeling of…
- Multiple personality disorder A neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes…
- Syndrome, Alexander See: Alexander disease
- Ricketts, Howard T. American pathologist and pioneering infectious disease expert (1871-1910) who was the first to establish the…
- Disease, Takayasu See: Takayasu disease
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…
- Anaphia The inability to feel touch. From the Greek prefix an, not + Greek haphe, touch = inability to (feel) touch…
- Marie-Strumpell disease A synonym for ankylosing spondylitis. Named for the French neurologist Pierre Marie (1853-1940) and the…
- Steatohepatitis Fatty inflammation of the liver, usually in alcoholics. Steato- refers to fat and -hepatitis to inflammation…