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).
Braxton Hicks contractions
Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first pregnancy and, earlier and more intensely, in subsequent pregnancies. These contractions tend to occur during physical activity. The…
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Show more- Roux-en-Y gastric bypass Roux-en-Y gastric bypass: A surgical procedure which may be done for severe obesity. The procedure involves…
- Temporal bone A large irregular bone situated at the base and side of the skull. The temporal bone is connected with the…
- Randomized clinical trial A clinical trial in which the participants are assigned randomly (by chance alone) to different treatments…
- Myotonic dystrophy An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is…
- Motion sickness Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated…
- Neuropathy, Charcot-Marie-Tooth See Charcot-Marie-Tooth disease
- Y chromosome infertility Male infertility with oligozoospermia (a subnormal number of sperm) or azoospermia (the absence of sperm)…
- Kit, disaster supplies You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by…
- Papilledema Swelling of the head of the optic nerve, a sign of increased intracranial pressure. The optic nerve head…
- Hiatus hernia Tal hernia): An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into…
- Large saphenous vein The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Bypass, cardiopulmonary Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is…