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).
Pulmonary trunk
A vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and left pulmonary arteries that convey unaerated blood to the lungs. When the right ventricle contacts, the blood inside it is put…
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Show more- Carrier test A test designed to detect carriers of a gene for recessive genetic disorder. For example, carrier testing is…
- Vestibule In medicine and dentistry, a vestibule is a space or cavity at the entrance to a canal, channel, tube…
- Ibuprofen Ibuprofen: A non-steroidal anti-inflammatory drug (NSAID) commonly used to treat pain, swelling, and fever…
- Isochromosome An abnormal chromosome with two identical arms due to duplication of one arm and loss of the other arm…
- Shigella Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis…
- Ear drum See: Eardrum
- Cecum The cecum (also spelled caecum), the first portion of the large bowel, situated in the lower right quadrant…
- Materfamilias The female head of the family; the mother figure. Materfamilias is the Latin for mother of the household. It…
- Dorsal The back or posterior side of a structure. "Dorsum" is the Latin word for the back. Something pertaining to…
- Atelectasis Failure of full expansion of the lung at birth or a collapse thereafter of the lung. The word comes from the…
- Retinitis pigmentosa Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and…
- Syndrome, trisomy 18 There are three instead of the normal two chromosomes #18. Children with this condition have multiple…