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).
Leu
Leucine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Mycelium An array of fungal filaments which was thought to resemble a display of decorative nails. From the Greek…
- Walker, baby A device that allows a baby to move about in a half-seated, half-upright position. A 'walker' may…
- PARK5 Familial Parkinson disease type 5
- Calcaneal spur A bony spur projecting from the back or underside of the heel bone (the calcaneus) that often makes walking…
- X, factor A coagulation factor, a substance in blood essential to the normal clotting process. Production of factor X…
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- UAG A triplet consisting of uracil, adenine, guanine, in that order, that acts as a stop codon in messenger RNA…
- Gland, endocrine See: Endocrine gland
- B virus An infectious agent commonly found among macaque monkeys, including rhesus macaques, pig-tailed macaques, and…
- Empyema The presence of pus in the pleural space which is between the outer surface of the lung and the chest wall…
- Short bowel syndrome A condition due to loss of half or more of their small intestine removed because of surgical removal or…
- R-tPA Recombinant tissue plasminogen activator. See: Tissue plasminogen activator