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).
Hypoxic-ischemic encephalopathy
Damage to cells in the central nervous system (the brain and spinal cord) from inadequate oxygen. Hypoxic-ischemic encephalopathy allegedly may cause in death in the newborn period or result in what is later recognized as developmental…
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Show more- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Seminal vesicle A structure in the male that is about 5 centimeters (2 inches) long and is located behind the bladder and…
- Fear of children An abnormal and persistent fear of babies and children. Sufferers experience anxiety even though they realize…
- Lobule A little lobe.
- Superior vena cava syndrome Superior vena cava syndrome: The symptoms that result from compression of the large vein that carries blood…
- Nephrolith A kidney stone
- Physical growth A map of the locations of identifiable landmarks on chromosomes. Physical distance is measured in base pairs…
- Central vision Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina…
- Pedigree In medicine, a family health history diagrammed with a set of international symbols to indicate the…
- Histiocytosis, Hand-Schuller-Christian A disease in which histiocytes start to multiply and attack the tissues or organs of the patient. The disease…
- Organ A relatively independent part of the body that carries out one or more special functions. The organs of the…
- Syringe A device used in medicine to inject fluid into or withdraw fluid from the body. Medical syringes consist of a…