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).
Smith-Lemli-Opitz syndrome
A multiple congenital malformation syndrome caused by an abnormality in cholesterol metabolism, deficiency of the enzyme 7-dehydrocholesterol reductase (DHCR7), due to mutation of the DHCR7 gene on chromosome 11. The syndrome is…
Read the definitionRandom terms
Show more- Abse See: Abse, Dannie
- Syndrome, Peter Pan Term coined by pop psychology author Dan Kiley in his book 'Peter Pan syndrome: Men Who Have Never Grown Up.'…
- Syndrome, testicular feminization Now more appropriately called the complete androgen insensitivity syndrome, this is a genetic disorder that…
- Hydrazine Hydrazine sulfate, an alternative medicine that has been claimed to be a treatment for cancer. It has been…
- Hip dislocation, congenital The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Glaucoma treatment (laser) A laser beam of light is focused on the part of the anterior chamber where the fluid leaves the eye. This…
- Epicanthal fold A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more…
- Dutch-Kentucky syndrome See: Hecht syndrome
- FBN1 The fibrillin 1 gene. This gene is mutated in Marfan syndrome, the MASS syndrome, and related disorders of…
- Gene, zygotic lethal A gene that is lethal (fatal) for the zygote, the cell formed by the union of a sperm (male sex cell) and an…
- NG tube See: Nasogastric tube
- Curie (Ci) A unit of radioactivity. (Specifically, the quantity of any radioactive nuclide in which the number of…