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).
Hansen's bacillus
See: Hansen bacillus
Read the definitionRandom terms
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- Rib, sternal One of the first 7 pairs of ribs. A rib is said to be a 'sternal' rib or a 'true' rib if it attaches to the…
- Sea poisoning An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Skeletal muscle One of three types of muscle tissue in the body (skeletal, smooth, cardiac) which represents the majority of…
- Incontinence of urine Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Antero- Prefix signifying before, earlier, front. From the Latin anterior meaning before
- Syndrome, Osler-Rendu-Weber See: Hereditary hemorrhagic telangiectasia
- Dwarfism Abnormally short stature. Some forms are hereditary. The Little People of America (LPA) define dwarfism as an…
- Maimonides' prayer R of a Physician: A prayer that is said to have been written by the 12th-century physician-philosopher Moses…
- Humor, aqueous In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- DNA sequence The precise ordering of the bases (A,T,G,C) from which the DNA is composed. DNA sequencing involves…