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).
Epi-
A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more common in children with Down syndrome and other birth defects than normal children and so is of value in diagnosis. Although some…
Read the definitionRandom terms
Show more- Pneumoconiosis, coal miner's See: Black lung disease
- Midgut volvulus See: Volvulus
- Tumor suppressor gene A protective gene that normally limits the growth of tumors. When a tumor suppressor gene is mutated…
- Tablet splitting The practice of cutting tablets in half. The reason is usually financial. To reduce costs, a physician may…
- QT syndrome, long An inherited defect in the heart rhythm. In the US alone, it is estimated that 4,000 children and young…
- Sequelae See: Sequela
- Appendix perforation Rupture of appendix
- D (domain) Abbreviation for domain, a discrete portion of a protein with its own function. The combination of domains in…
- Condition, Sever Inflammation of the growth plate of the calcaneus, the bone at the back of the heel. The inflammation is at…
- SPECT scan Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Repair, DNA The body has a series of special enzymes that repair mutations (changes) in the DNA and restore the DNA to…
- PDR Physicians' Desk Reference (please see entry to Physicians' Desk Reference). PDR less frequently stands for…