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).
Dystrophy, myotonic
An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also produces leads to a mask-like expressionless…
Read the definitionRandom terms
Show more- Alternating hemiplegia of childhood A rare neurological disorder with frequent temporary episodes of paralysis of one side of the body…
- Antibody, antithyroglobulin An antibody directed against thyroglobulin which is a key protein in the thyroid gland essential to the…
- Accessory dwelling unit (ADU) A separate housing arrangement within a single-family home. The ADU is defined by Medicare as a…
- Food, functional Functional foods are 'those foods that encompass potentially healthful products including any modified food…
- Funny bone As in 'it tickled my funny bone.' When the elbow is bumped, the ulnar nerve running past the elbow is…
- Tomography The process for generating a tomogram, a two-dimensional image of a slice or section through a…
- Nephrotomogram A series of special x-rays of the kidneys. The x-rays are taken from different angles. They show the kidneys…
- Fruitfly genome See: Drosophila genome
- Vestibular neuronitis Inflammation of the vestibular nerve, the nerve running to the vestibule. (The vestibule is in the inner ear…
- Polymerase chain reaction (PCR) PCR
- Pericardial Referring to the pericardium, the sac of fibrous tissue that surrounds the heart. The inner surface of the…
- Breech birth Literally, delivery of the baby by the buttocks first, rather than the head as is usual. Breech birth is more…