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).
Mental retardation, blindness, deafness, seizures
Seizures: A disorder first reported in 1999 by Gustavson and colleagues as a newly recognized X-linked mental retardation syndrome. In the family they studied there were 7 male children in 2 generations with the syndrome. The affected…
Read the definitionRandom terms
Show more- Sacrum The large heavy bone at the base of the spine, which is made up of fused sacral vertebrae. The sacrum is…
- Conjugated linoleic acid (CLA) A supplement that has been promoted as an aid to weight loss and muscle building and as a deterrent to…
- Urination, burning See: Dysuria
- Alternate hemiplegia See: Alternating hemiplegia of childhood
- Friend in dying See: Doula (the second meaning)
- Polycythemia vera (PV) Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). PV…
- Symptoms, withdrawal Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Defensive medicine Medical practices designed to avert the future possibility of malpractice suits. In defensive medicine…
- Actinomycetes A group of gram-positive bacteria (order Actinomycetales) that produce various bioactive agents including…
- Alport syndrome An hereditary condition characterized by kidney disease, sensorineural (nerve) deafness and sometimes eye…
- Pituitary adenoma A benign tumor of the pituitary, the master gland that controls other glands and influences numerous body…
- Hematoma, extradural See: Epidural hematoma