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).
Syndrome, Stevens-Johnson
A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of…
Read the definitionRandom terms
Show more- ALS8 See: Amyotrophic lateral sclerosis 8
- Olivo- Pertaining to the olive, a structure in the brain
- Aesculapius That stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios), the…
- Immunization, hepatitis B Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually required. In…
- Transforming principle Name originally given to DNA. In 1944 Avery, MacLeod, and McCarty published their discovery that the…
- Emerging infectious disease An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Proctology A medical specialty that deals with disorders of the rectum and anus
- Dys- Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- Cramps, heat Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is usually moist…
- Spondylosis Degeneration of the disc spaces between the vertebrae. This finding in the spine is commonly associated with…
- Motion sickness Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated…
- Primary ciliary dyskinesia The immotile cilia syndrome, a condition in which poorly functioning cilia (hairlike projections from cells)…