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
The heart is composed functionally of two hearts - the right heart and the left heart. The left heart consists of the left atrium which receives oxygenated blood from the lung and the left ventricle which pumps it out to the body under…
Read the definitionRandom terms
Show more- Patellectomy An operation to remove the patella
- Sclerokeratitis Inflammation of the sclera, the tough white coat that covers most of the back of the eyeball and that is…
- Lentigines When there is one lentigo, there are usually more lentigines
- Bursitis, hip Inflammation of a bursa of the hip joint. A bursa is a fluid-filled sac that functions as a gliding surface…
- Peroxisome proliferator-activated receptor A member of the nuclear hormone receptor subfamily of transcription factors. Peroxisome…
- Dieldrix Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
- Traction In medicine, a procedure for manually pulling a part of the body to a beneficial effect. See traction…
- Sphingomyelin lipoidosis Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Da Vinci, Leonardo The father of anatomic art. The architect, scientist, engineer, inventor, poet, sculptor and painter…
- Glucosamine A molecule derived from the sugar glucose by the addition of an amino (NH2) group, glucosamine is a component…
- Seckel syndrome The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Fats Plural of the word 'fat'. See the definition of fat