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).
Iniencephaly
A rare neural tube defect that combines extreme retroflexion (backward bending) of the head with severe defects of the spine. The affected infant tends to be short, with a disproportionately large head. The diagnosis can be made…
Read the definitionRandom terms
Show more- Autophobia An abnormal and persistent fear of loneliness, of being alone. A fear of solitude. Sufferers from autophobia…
- Anatomical position The position with the body erect with the arms at the sides and the palms forward. The anatomical position is…
- Prelingual Before the development of speech and language. 'She showed that in prelingually deaf people (that is, those…
- Diabetic dermatology See: Diabetic skin disease
- Attenuated familial adenomatous polyposis An inherited predisposition to colorectal cancer characterized by fewer than 100 adenomatous polyps in the…
- Cancer Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to…
- Epicanthal fold A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more…
- Ptosis of the eyelids, adult Drooping of the upper eyelids in adults, most commonly due to separation of the tendon of the lid-lifting…
- Macular hole A hole in the macula, the tiny oval area made up of millions of nerve cells located at the center of the…
- Breech birth Literally, delivery of the baby by the buttocks first, rather than the head as is usual. Breech birth is more…
- Cataract, supranuclear A cataract just above the center (the nucleus) of the lens. See: Cataract
- Subungual onychomycosis, proximal white The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…