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).
Allergy and Infectious Diseases, National Inst.
One of the U.S. National Institutes of Health (NIH), the mission of the NIAID is 'to support and conduct research and research training (that) strives to understand, treat, and ultimately prevent the myriad infectious, immunologic, and…
Read the definitionRandom terms
Show more- Microphthalmia syndrome, Lenz Tattooing.
- Degenerative arthritis Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- Angle-closure glaucoma, acute Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the…
- Chemoprevention The use of natural or laboratory-made substances to prevent a disease such as cancer. The regular use of…
- Vestibular 1) Having to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. 2) Having…
- Piriformis syndrome Irritation of the sciatic nerve caused by compression of the nerve within the buttock by the piriformis…
- Hyperekplexia A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Acetone In the body, a chemical that is formed when the body uses fat instead of glucose (sugar) for energy. The…
- Hearing loss, age-related See: Presbycusis
- Fenestration Literally, the making of a window -- fenestra in Latin (and fenetre in French) is a window -- fenestration…
- Booster shot An additional dose of a vaccine needed periodically to 'boost' the immune system. For example, a booster shot…
- PCA Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a…