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).
Epilepsy
(seizure disorder): When nerve cells in the brain fire electrical impulses at a rate of up to four times higher than normal, this causes a sort of electrical storm in the brain, known as a seizure. A pattern of repeated seizures is…
Read the definitionRandom terms
Show more- Medical prefix A prefix employed in medical terminology. Medical words are often put together, cobbled from two or more…
- Chromesthesia A type of synesthesia in which which a nonvisual stimulus causes the individual to perceive color. Color…
- Uterine contraction The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Endemic typhus Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder…
- Q.d. (on prescription) Seen on a prescription, q.d. (or qd) means one a day (from the Latin quaque die). The abbreviation is…
- Disease, Charcot-Marie-Tooth See: Charcot-Marie-Tooth disease
- Maternal myasthenia gravis Myasthenia gravis: The presence of myasthenia gravis in a pregnant woman. Myasthenia gravis is an autoimmune…
- Disc, cervical A disk shaped piece of specialized tissue that separates the vertebral bones of the spinal column in the…
- Alpha-galactosidase A deficiency See: Fabry disease
- Spondylolisthesis Forward movement of one of the building blocks (vertebrae) of the spine in relation to an adjacent vertebra…
- Reflex sympathetic dystrophy syndrome (RSDS) RSDS is a condition that features a group of typical symptoms, including pain (often 'burning' type)…
- Antigen-antibody complex The complex formed by the binding of an antibody and an antigen. Antigen-antibody complexes are mediators of…