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).
Heat syncope
Sudden dizziness, feeling faint ans sometimes fainting experienced after exercising in the heat. The skin appears pale and sweaty but is generally moist and cool. The pulse may be weakened, and the heart rate is usually rapid. Body…
Read the definitionRandom terms
Show more- Stilling-Turk-Duane syndrome See: Duane syndrome
- Medicare Part A The Medicare program that covers inpatient hospital stays. Medicare is the United States government's health…
- Agenesis of the corpus callosum A congenital abnormality (a birth defect) in which there is partial or complete absence (agenesis) of the…
- Stent, medicated See: Coated stent
- Fourth cranial nerve The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Cranial nerve, first The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…
- JPS Juvenile polyposis syndrome. See: Juvenile polyposis
- DHF (dengue hemorrhagic fever) A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Neck The part of the body joining the head to the shoulders. Also, any narrow or constricted part of a bone or…
- DNA, mitochondrial Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell…
- Archaeogenetics The study of the past using the techniques of molecular genetics. The application of genetics to archeology…
- L- Abbreviation for levorotatory, applied to a chemical compound, as in l-dopa. Levorotary is opposed to…