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).
Early-onset familial Alzheimer disease
See: Alzheimer disease, early-onset familial
Read the definitionRandom terms
Show more- Micropigmentation Tattooing
- Vein, external jugular The more superficial of the two jugular veins situated on each side of the neck. The other is the internal…
- Tylosis A callus or thickening. See: Tylosis with esophageal cancer
- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- Gingivitis, necrotizing This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- P.r.n. Abbreviation meaning 'when necessary' (from the Latin 'pro re nata', for an occasion that has arisen, as…
- Fibrosis, cystic Fibrosis, cystic (CF): One of the most common grave genetic (inherited) diseases, CF affects the exocrine…
- Cryptosporidium See: Cryptosporidiosis
- Singultus A rarely used medical word for an ordinary hiccup. A hiccough is an extraordinary type of breathing movement…
- Hydrazine Hydrazine sulfate, an alternative medicine that has been claimed to be a treatment for cancer. It has been…
- Glenoid labrum A ring of fibrocartilage that runs around the cavity of the scapula (wingbone) in which the head of the…
- Catheter, Foley A flexible plastic tube (a catheter) inserted into the bladder to provide continuous urinary drainage. The…