MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Spondylolysis
The breaking down (dissolution) of a portion of a bony building block of the spine (a vertebra). The portion of the vertebra that is affected in spondylolysis is a bone segment called the pars interarticularis (which is part of a plate…
Read the definitionRandom terms
Show more- Hip pointer Sportstalk for an iliac crest contusion (a bruise of the upper edge of the ilium, one of the hip bones).
- Occlude 1 To close, obstruct, or prevent the passage. To occlude an artery is to occlude the flow of blood. 2 To…
- Stewart See: Stewart, Alice
- Horner syndrome A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…
- Electroencephalogram A study of electrical current within the brain. Electrodes are attached to the scalp. Wires attach these…
- Presentation, breech Birth in which the buttocks present before the head
- Fava bean The broad bean to which many people react adversely with an acute hemolytic anemia with sudden breakup of red…
- Septum, interatrial The wall separating the upper chambers (the atria) of the heart. A hole in the interatrial septum is termed…
- Migraine, menstrual See: Menstrual migraine
- NBCCS Nevoid basal cell carcinoma syndrome, also known as the Gorlin syndrome
- Radiation, food See: Food irradiation
- Toddler's fracture A torsion fracture of the tibia, without bone displacement