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).
UL
1. Upper lid (of the eye). 2. Upper limit. No evidence was found for chronic excess intakes of potassium in apparently health individuals and therefore no UL was established for potassium
Read the definitionRandom terms
Show more- Pachydactyly Thick fingers or toes. A feature, for example, of neurofibromatosis. From the Greek pachys, thick + daktylos…
- Stercolith See: Fecalith
- Hypoplasia Underdevelopment or incomplete development of a tissue or organ. For example, there can be hypoplasia…
- Collagenopathy Any one of a group of disorders that affect connective tissue, the tissue that supports the body's joints and…
- Aflatoxin A toxin produced by mold that can damage the liver and may lead to liver cancer. Aflatoxins cause cancer in…
- Aorta The largest artery in the body, the aorta arises from the left ventricle of the heart, goes up (ascends) a…
- Diploe The soft spongy material between the inside table and outside table (the interior and exterior bony plates)…
- Gamete The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half…
- Bacterial vaginosis Bacterial vaginosis: A vaginal condition characterized by an abnormal vaginal discharge due to an overgrowth…
- Chromosome, marker The sex chromosome found twice in normal females and once, along with a Y chromosome, in normal males. The…
- Hepatology The field of liver disease. The liver is the body's largest organ and hepatology is a large field. It…
- Gigantism Excessive growth both in height and specific body parts. Gigantism with extreme height may be associated with…