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).
Malaria, falciparum
The most dangerous type of malaria. Caused by the parasite Plasmodium falciparum, this type of malaria is associated with high levels of parasites in the blood. Red blood cells infected with the parasites tend to sludge in capillaries and…
Read the definitionRandom terms
Show more- Ion channel A protein that acts as a pore in a cell membrane and permits the selective passage of ions (such as potassium…
- Cone dystrophy A disease of the cones, the specialized light-sensitive cells that act as photoreceptors in the retina of the…
- Otopharyngeal tube The tube that runs from the middle ear to the pharynx, known also as the Eustachian tube. The function of…
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Dermoid Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Keratoma An area of hardened skin, usually called a callus
- Bariatric surgery Surgery on the stomach and/or intestines to help a person with extreme obesity lose weight. Bariatric surgery…
- Anti- Prefix generally meaning 'against, opposite or opposing, and contrary.' In medicine, anti- often connotes…
- Congenital Present at birth. A condition that is congenital is one that is present at birth. There are numerous uses of…
- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Alstrom-Hallgren syndrome See: Alstrom syndrome
- Mitral insufficiency Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left…