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).
Bowen disease
An early stage of skin cancer. Bowen's disease is medically the same as 'squamous cell carcinoma in situ.' Squamous cell carcinoma is a tumor that develops from the squamous cells which are flat, scale-like cells in the outer layer of the…
Read the definitionRandom terms
Show more- Dengue shock syndrome A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Off-pump CABG A coronary artery bypass graft (CABG) done without putting the patient on the heart-lung machine. Off-pump…
- Fetal fibronectin A protein produced during pregnancy and the basis of a test for preterm delivery. Fetal fibronectin (fFN)…
- Pancreas divisum Pancreas divisum: Pancreas divisum is a common congenital anomaly (an anomaly that is present at birth) of…
- Sarcoma, Ewing Sarcoma, Ewing: A type of bone tumor that occurs in children and adolescents, most often in the large bones…
- SARS vaccine A vaccine to protect against severe acute respiratory syndrome (SARS). The SARS epidemic surfaced early in…
- Enzymes, yellow A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire or breathe…
- Sample, random A group selected randomly, solely by chance
- Shunt, transjugular, intrahepatic, portosystemic A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Fecund Fruitful, abundantly fertile. Just as a writer is prolific, a woman may be fecund, able to reproduce…
- Ricketts, Howard T. American pathologist and pioneering infectious disease expert (1871-1910) who was the first to establish the…
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…