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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Ornithophobia
An abnormal and persistent fear of birds. Sufferers from ornithophobia experience undue anxiety about encountering and even being attacked by birds although they may realize their fears are quite irrational. Ornithophobia was epitomized in…
Read the definitionRandom terms
Show more- Aqueduct of the midbrain A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Syndrome, Li-Fraumeni (LFS) This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity…
- Ventricular fibrillation An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Nebulizer A device for administering a medication by spraying a fine mist into the nose. Also known as an atomizer
- Congenital anemia with spinocerebellar ataxia See: Pagon syndrome
- Bone, sesamoid See Sesamoid bone
- Cancer detection Dding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Gray baby syndrome A syndrome due to toxicity of the antibiotic chloramphenicol in the newborn, especially the premature…
- Genitalia, intersexual See: Ambiguous genitalia
- Cryoglobulinemia The presence in blood of abnormal proteins called cryoglobulins that, by definition, have the unusual…
- Nasal prosthesis An artificial device to replace part or all of a missing nose