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).
Serotonin
A hormone, also called 5-hydroxytryptamine, in the pineal gland, blood platelets, the digestive tract, and the brain. Serotonin acts both as a chemical messenger that transmits nerve signals between nerve cells and that causes blood…
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Show more- Elephantiasis Lymphatic filariasis, a mosquito-borne parasitic disease caused by tiny thread-like worms that live in the…
- Lentigo A type of freckle that is a small tan, brown, or black spot which tends to be darker than the usual…
- Ames, Bruce N. American biochemist and geneticist (1928-) who developed the Ames test for chemical mutagens. Ames attended…
- Syndrome, Achoo A disorder characterized by nearly uncontrollable paroxysms of sneezing provoked in a reflex fashion by the…
- Newborn intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a…
- Bowen disease An early stage of skin cancer. Bowen's disease is medically the same as 'squamous cell carcinoma in situ.'…
- Cerebellar ataxia with progressive dementia See: Gerstmann-Straussler-Scheinker syndrome
- Eyedrop test There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Single-masked See: Single-blind
- Syndrome, Bernard A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…
- Supernumerary digit An extra finger or toe
- Blister agent See: Vesicant