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).
Random sample
A group selected randomly, solely by chance
Read the definitionRandom terms
Show more- Zeitgeber An environmental agent or event that provides the cue for setting or resetting a biological clock. To be…
- Syndrome, toxic shock A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterized…
- Syndrome of ichthyosis, spasticity, oligophrenia A: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad…
- Seventh cranial nerve The seventh cranial nerve is the facial nerve, a mixed nerve that has fibers both going out and coming in…
- Homeopathic Pertaining to homeopathy
- St. Louis encephalitis A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex…
- Dorsum The back or posterior side of a structure. 'Dorsum' is the Latin word for the back. Something pertaining to…
- Typhus, mite-borne See Typhus, scrub
- Polydactyly (hexadactyly) The presence of an extra, sixth finger or toe, a very common congenital malformation (birth defect). This is…
- Type 1 diabetes See Diabetes, type 1
- HCV PCR genotype test See: HCV PCR
- Body cell mass The total mass of all the cellular elements in the body which constitute all the metabolically active tissue…