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).
Diprosopus
Two-faced conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of their bodies with one set of limbs. Part or all of the face is duplicated. The condition usually results in stillbirth. The…
Read the definitionRandom terms
Show more- Migraine Migraine: Usually, periodic attacks of headaches on one or both sides of the head. These may be accompanied…
- Tapeworm, measly Taenia solium
- Tongue tie A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the…
- Rib, cervical A extra rib which arises from the seventh cervical vertebra. It is located above the normal first rib. A…
- Histiocytosis X Now called Langerhans cell histiocytosis. This disease is subclassified into eosinophilic granuloma, Letterer…
- Date, expiration The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful…
- Fibrillation, ventricular An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Allergy scratch test Allergy scratch test: Test done on the skin to identify the allergy substance (the allergen) that is the…
- Tabes dorsalis Slowly progressive degeneration of the spinal cord that occurs in the tertiary (third) phase of syphilis a…
- Optic glioma A benign tumor on an optic nerve or the optic chiasm (the crossing of the two optic nerves). Optic gliomas…
- Metatarsals Five cylindrical bones extending from the heel (the tarsus) to the toes. The metatarsals are numbered from…
- Foot, athlete A skin infection caused by a fungus called Trichophyton which can thrive and infect the upper layer of the…