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).
Trans- (prefix)
From the Latin meaning 'across, over, or beyond.' Medical terms containing 'trans- ' as a prefix include transcription, transfusion, transplant, transsexual, transurethral, transvaginal, transvestism, etc.
Read the definitionRandom terms
Show more- Gyne- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- RXT Medical abbreviation for radiotherapy
- Nerve, optic The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina. The…
- Chloride The major anion (negatively charged substance) in the blood and extracellular fluid (the body fluid that lies…
- Environmental tobacco smoke Abbreviated ETS. Secondhand smoke. See: ETS.
- Elder abuse The physical, sexual, or emotional abuse of an elderly person, usually one who is disabled or frail. Elder…
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Supernumerary digit An extra finger or toe
- Genome, Vibrio cholerae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Trigeminal nerve The trigeminal nerve functions both as the chief nerve of sensation for the face and the motor nerve…