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).
Propylthiouracil (PTU)
A drug that blocks the production of thyroid hormone by the thyroid gland. PTU is used to treat hyperthyroidism, to reduce the excessive thyroid activity before surgery and to treat and maintain patients not having surgery
Read the definitionRandom terms
Show more- Y map The array of genes on the Y chromosome. Once thought to be a genetic wasteland, the Y now is known to contain…
- Streptococcus, group A A well-known strain (type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Salter-Harris fracture A traumatic fracture around or through the growth plate (the epiphyseal plate) of a bone in a child
- Seizure, local See: Partial seizure
- Streptococcus pyogenes A common bacteria of the skin that causes strep throat (streptococcal pharyngitis), impetigo, other skin…
- P.c. Abbreviation meaning after meals (from the Latin 'post cibum', after meals). One of a number of hallowed…
- System, cardiac conduction The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- Thumb The short thick finger situated at an angle to the other fingers so it can be opposed to the them, making it…
- Streptococcus pneumoniae (pneumococcus) A type of bacterium that comes in pairs and is shaped like a lancet (a surgical knife with a short wide…
- Gerstmann-Straussler syndrome See: Gerstmann-Sträussler-Scheinker syndrome
- Prusiner, Stanley B. American neurologist (1942-) and winner of the Nobel Prize for the discovery of 'prions - a new biological…
- Angiography, fluorescein See: Von Willebrand disease.