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).
Slipped disc
Rupturing of the tissue that separates the vertebral bones of the spinal column. The center of the disc, which is called the nucleus, is soft, springy and receives the shock of standing, walking, running, etc. The outer ring of the disc…
Read the definitionRandom terms
Show more- Bone, sesamoid See Sesamoid bone
- Intravenous tension The pressure of the blood within a vein, the venous pressure
- Cranial nerve, eighth The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Aerobic exercise Brisk physical activity that requires the heart and lungs to work harder to meet the body's increased oxygen…
- SV40 Simian virus 40, a polyomavirus found in simians (nonhuman primates), SV40 has no relationship to the human…
- Nanny cam A camcorder (a video camera and video recorder in one unit) that displays a live feed so that parents can…
- Alveolitis Inflammation of the alveoli, the air sacs in the lungs
- Osteonecrosis Bone death resulting from poor blood supply to an area of bone. Also known as aseptic necrosis or avascular…
- Cachexia Physical wasting with loss of weight and muscle mass caused by disease. Patients with advanced cancer, AIDS…
- Polonies See: Polony
- Gyrus A convolution on the surface of a cerebral hemisphere caused by the infolding of the cerebral cortex. The…
- Nonoxynol Nonoxynol-9 is the most commonly encountered spermatocide in the United States. As with other spermatocides…