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).
Fetal circulation
The blood circulation in the fetus before birth. Before birth, the blood from the heart headed for the lungs in the aptly named pulmonary artery is shunted away from the lungs and returned to the greatest of arteries, the aorta. This…
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Show more- Diet, Atkins A high-protein, high-fat, low-carbohydrate weight-loss diet popularized by Dr. Robert C. Atkins. See: Atkins…
- Caudate nucleus In each hemisphere of the brain, the most medial of the four basal ganglia, partly responsible for body…
- Error, alpha The statistical error (said to be 'of the first kind' or type I) made in testing an hypothesis when it is…
- Subcutaneous hematoma A bruise
- Lysenkoism A theory put forth by a Russian plant-breeder named Trofim Denisovich Lysenko [1898-1976] during the…
- Protein ZIP code An informal name for a molecular cell biology system of signals or 'address tags' that guide the movement of…
- Nervous system, central (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- BM Abbreviation for 'black male' used by doctors as shorthand when jotting down the results of their physical…
- Family history of colon cancer See: Colon cancer family history
- NCI (National Cancer Institute) The National Cancer Institute is one of the National Institutes of Health (NIH) in the U.S. The mission of…
- Genome, C. elegans See: C. elegans genome.
- Nannycam See: Nanny cam