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.
- 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).
Twelfth cranial nerve
The hypoglossal nerve. The twelve cranial nerves, including the hypoglossal nerve, emerge from or enter the skull (the cranium). The hypoglossal nerve supplies the muscles of the tongue. Paralysis of the hypoglossal nerve affects the…
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Show more- Transmission, perinatal Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Tumor An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be benign or malignant…
- Racemose aneurysm An aneurysm that looks like a bunch of grapes
- KUB film An X-ray showing the kidney, ureter, and bladder. This is in reality a plain abdominal X-ray and includes…
- Stage As regards cancer, the extent of a cancer, especially whether the disease has spread from the original site…
- Sample, random A group selected randomly, solely by chance
- Stokes Adams attack Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there is a slow or absent…
- Rate, heart Number of heart beats per minute. The normal resting adult heart beats regularly at an average rate of 60…
- Anemia, pernicious A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Morbid jealousy See: Othello syndrome
- Apraxia The inability to execute a voluntary motor movement despite being able to demonstrate normal muscle function…
- FEMA A name well known to people in the US who have experienced a major natural or made-man disaster. FEMA stands…