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).
AAO
1. Alert and oriented.2. American Association of Ophthalmology, a professional organization.3. American Academy of Otolaryngology, a professional organization.4. American Association of Orthodontists, a professional organization.5. Amino…
Read the definitionRandom terms
Show more- Acute radiation syndrome An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in…
- Musicomania A singular passion for music that is excessive and beyond all reason. From the French musicomanie, from music…
- Mucolipidosis I A type of mucolipidosis (see below) characterized by deficiency of the enzyme neuraminidase (sialidase)…
- Factor V A coagulation factor needed for the normal clotting of blood. Also known as proaccelerin
- Variolation The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- Cranial nerve, tenth The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- CREST syndrome A limited form of scleroderma, a disease of connective tissue with the formation of scar tissue (fibrosis) in…
- Sinus 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decrease the weight of the skull. The…
- Shoulder bursitis Shoulder bursitis: Inflammation of one or both of the two major bursae (fluid-filled sacs) in the shoulder…
- Mucopolysaccharidosis type IIIA Sanfilippo syndrome due to deficiency of the enzyme heparan N-sulfatase. See also: Mucopolysaccharidosis
- Colpoptosis A condition in which the vagina has dropped from its normal position against the abdominal wall
- Phlebo- (prefix) Means vein. From the Greek 'phleps', vein, which came from the root 'phlein', to gush or overflow. Appears in…