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).
Echocardiography, transesophageal
A diagnostic test which is done through the esophagus and which employs ultrasound waves to make images of the heart chambers, valves and surrounding structures. Transesophageal echocardiography (TEE) may be used, for example, in the…
Read the definitionRandom terms
Show more- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Spinocerebellar ataxia Ataxia with malfunction of the cerebellum
- Cranial nerve, eighth The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Spinal cord compression The act of exerting an abnormal amount of pressure on the spinal cord. Compression of the spinal cord may…
- Scintigraphy A diagnostic test in which a two-dimensional picture of a body radiation source is obtained through the use…
- Luteinizing hormone A hormone released by the pituitary gland in response to luteinizing hormone- releasing hormone. Abbreviated…
- Bronchiolitis Inflammation of the bronchioles, the airways that extend beyond the bronchi and terminate in the alveoli…
- Osteoclastoma A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone…
- Hybridoma A cell hybrid resulting from the fusion of a cancer cell and a normal lymphocyte (a type of white blood…
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Dystonia, focal, due to torticollis See: Focal dystonia due to torticollis
- Gluten enteropathy A condition, also called celiac sprue, in which the absorption of food nutrients through the small intestine…