MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Juvenile polyposis
An autosomal dominant disorder in which polyps develop throughout the gastrointestinal tract in the first decade or two of life. People with the disease are at increased risk for developing gastrointestinal cancers. There can also be…
Read the definitionRandom terms
Show more- Posteroanterior (PA) In anatomy, posteroanterior (PA) means from back-to-front. For example, a PA X-ray of the chest is taken from…
- Heart-lung machine A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for…
- State, acute confusional See: Delirium
- PCO disease >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…
- Tuberoeruptive xanthoma See: Eruptive xanthoma
- Daltonism Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term 'Daltonism' is…
- JIP Juvenile intestinal polyposis. See: Juvenile polyposis
- Microphallus An abnormally small penis. Also called micropenis. In medical practice, the dimension of the penis that is…
- Ovary, polycystic See: Polycystic ovary syndrome
- Transfer RNA (tRNA) A class of RNA that has triplet nucleotide sequence complementary to the triplet nucleotide coding sequences…
- Labial sounds The lips are not only anatomic features of note, they are organs of speech essential to certain…
- Anesthesia, caudal epidural See Caudal anesthesia