MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Cat eye syndrome
A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations characterized by the combination of a cat-like slit of the iris of the eye (vertical coloboma) and no anal opening (anal atresia)…
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Show more- Protein-calorie malnutrition Severe deficiency of protein + inadequate caloric intake = kwashiorkor.
- Cilium A fine hairlike projection from a cell such as those in the respiratory tract. Cilia can help to sweep away…
- Foot pain Foot pain: Foot pain is the sensation of discomfort in the foot arising from disorders or injury to any of…
- Veterinary medicine The medical science concerned with the diagnosis, treatment and prevention of diseases in animals. Aside from…
- Inactivation, X chromosome A syndrome of inappropriate secretion of antidiuretic hormone (ADH) which results in the inability to put out…
- Heart block A block in the conduction of the normal electrical impulses in the heart.
- Ter in die (on prescription) Seen on a prescription, tid means three times a day. It is an abbreviation for 'ter in die' which in Latin…
- Cervicectomy Surgical removal of the cervix, the lower portion of the uterus that protrudes into the vagina. Cervicectomy…
- Cystic fibrosis A combining form denoting a cell. Derived from the Greek "kytos" meaning "hollow, as a cell or container."…
- F (symbol) A much used symbol, F stands for fractional concentration; free energy; Fahrenheit; visual field; fluorine…
- Bypass An operation in which a surgeon creates a new tubular pathway for the movement of fluids and/or other…
- Cachexia Physical wasting with loss of weight and muscle mass caused by disease. Patients with advanced cancer, AIDS…