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).
Degenerative joint disease
Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss of the cartilage of the joints. Among the over 100 different types of arthritis conditions, osteoarthritis is the most common…
Read the definitionRandom terms
Show more- Undulant fever An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers…
- Deficiency, protein C Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…
- Ulcerative proctitis Ulcerative colitis that is limited to the rectum. Ulcerative colitis itself is a relatively common disease…
- Fibrosis, radiation Scarring of the lungs from radiation. Radiation fibrosis is a sequel of radiation pneumonitis (inflammation…
- Gastroenterologic disease Any disease of the digestive system. Gastroenterologic disorders include Barrett's esophagus, bile duct…
- Dysgraphia A specific developmental disability that affects the person's ability to write. Problems may include…
- Discharge, breast See: Breast discharge
- SA node The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the…
- Mucopolysaccharidosis type II Hunter syndrome, due to deficiency of the enzyme iduronate sulfatase. See also: Mucopolysaccharidosis
- Xerosis Abnormal dryness of the skin (xeroderma), of the conjunctiva of the eye (xerophthalmia), or of the mucous…
- Pneumonic plague Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals…
- Dercum disease A condition characterized by painful fatty tumors (lipomas) beneath the skin. The diseases tends to be…