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).
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Show more- Flood warning A flood watch or warning. The steps to take in case a flood watch or warning has been issued include the…
- Streptococcus, group A A well-known strain (type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…
- Anteroposterior From front to back. When a chest x-ray is taken with the back against the film plate and the x-ray machine in…
- Time, prothrombin A clotting test, the prothrombin time is done to test the integrity of part of the clotting scheme. The…
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…
- Protein kinase A An enzyme system that is activated by cyclic adenosine monophosphate (cAMP) and that catalyzes the activity…
- Syndrome, Aarskog-Scott See: Aarskog-Scott syndrome
- Arsine A colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and…
- Nail dysgenesis and hypodontia A genetic disorder characterized by abnormalities of the nails (nail dysgenesis) and the absence of several…
- Fear of thunder An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Enterostomy A surgical operation that opens the small intestine and brings it through the abdominal wall to create a new…