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).
Left heart hypoplasia syndrome
A form of congenital heart disease in which the whole left half of the heart (including the aorta, aortic valve, left ventricle and mitral valve) is underdeveloped (hypoplastic). Blood returning from the lungs has to flow through an…
Read the definitionRandom terms
Show more- Benign sleep myoclonus Sleep myoclonus: A distinctive disorder of sleep in infancy characterized by rhythmic myoclonic jerks (sudden…
- Dystonia, cranial A term used to describe dystonia that affects the muscles of the head, face, and neck. Oromandibular dystonia…
- Radioactive Emitting energy waves due to decaying atomic nuclei. Radioactive substances are used in medicine as tracers…
- Radiation, food See: Food irradiation
- Basilar Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture…
- Virus, human papilloma JC virus.
- Bridge A set of one or more false teeth supported by a metal framework, used to replace one or more missing teeth…
- Hypovolemic shock See shock.
- Ophthalmoscope A lighted instrument, one of the most important tools of the physician, used to examine the interior of the…
- Fluorescent treponemal antibody absorbed test A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific…
- Ichthyosis Dry, rectangular scales on the skin. Like fish scales. From the Greek 'ichthys' meaning fish. Ichthyosis is…
- Congenital deafness and retinitis pigmentosa (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…