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).
Fear of sharks
Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety even though they may be safe on a boat or in an aquarium or on a beach. Hollywood films depicting sharks as calculating, vengeful…
Read the definitionRandom terms
Show more- Natural immunity Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen…
- Scullcap See: Scutellaria barbata
- Winter depression See: Tooth, wisdom.
- John Hughlings Jackson See: Hughlings Jackson, John
- Smoking, passive The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Translocation 11 childhood leukemia A new type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and…
- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Gastric ulcer A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Snellen's test type The letters on the familiar eye chart used to measure how well you see at various distances. The eye chart…
- HIB immunization This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Cysts Cysts: Cysts are abnormal, closed sac-like structures within a tissue that contain a liquid, gaseous, or…
- Chronic This important term in medicine comes from the Greek chronos, time and means lasting a long time. A chronic…