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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Ricin
Ricin: A potent protein toxin made from the waste left over from processing castor beans. The castor plant, which is called Ricinus communis, is found throughout the world. Ricin is fairly easy to extract. Worldwide a million tons of…
Read the definitionRandom terms
Show more- Sternum Anatomic name for the breast bone, the long flat bone in the upper middle of the front of the chest. The…
- Treadmill, exercise Exercise on a treadmill, a machine with a moving strip on which one walks without moving forward. A treadmill…
- Hashimoto disease See: Hashimoto thyroiditis
- Lenin (1870-1924) Vladimir Ilyich Lenin, the founder of the Bolshevik Party and the Soviet state. Lenin is of some…
- Pain, belly Pain in the abdomen. See: Abdominal pain
- Cancer survivor Someone who has received the diagnosis of a potentially fatal form of cancer and is therefore forced to face…
- Contusion Another name for a bruise. What is a bruise ? A bruise, or contusion, is caused when blood vessels are…
- Cyst, thyroglossal See: Thyroglossal cyst
- Erb paralysis See: Erb palsy
- Tick-borne rickettsiosis, north Asian One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted…
- Repetitive DNA DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Goiter-deafness syndrome See Pendred syndrome