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).
Pycnodysostosis
Pycnodysostosis: An inherited disorder of the bone that causes short stature and abnormally dense brittle bones. Due to a defect in an enzyme: cathepsin K. The French artist Toulouse-Lautrec is thought to have pycnodysostosis. Also spelled…
Read the definitionRandom terms
Show more- Haemophilus influenzae type B (HIB) immunization This kind of immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a…
- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Cauliflower-ear deformity Cauliflower-ear deformity: Destruction of the underlying cartilage framework of the outer ear (pinnae)…
- Heterokaryon A cell with two separate nuclei formed by the experimental fusion of two genetically different cells…
- Naloxone A drug that antagonizes morphine and other opiates. Naloxone is a pure opiate antagonist and prevents or…
- Gerstmann-Straussler disease See: Gerstmann-Sträussler-Scheinker syndrome
- PKU, maternal A "sugar pill" or any dummy medication or treatment. For example, in a controlled clinical trial, one group…
- Apert syndrome acrocephalosyndactyly An inherited disorder causing abnormalities of the skull, face and hands and feet. There is premature closure…
- Heart, right The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Hearing loss, age-related See: Presbycusis
- Congenital cervicothoracic vertebrae synostosis See: Klippel-Feil sequence
- Tube, nasogastric See: Nasogastric tube