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).
Vaccinia, disseminated
See Progressive vaccinia
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Show more- Hematemesis The medical term for bloody vomitus. The word 'hematemesis' is made up of 'hema-', blood + 'emesis', vomit =…
- Mitochondria Normal structures responsible for energy production in cells. Mitochondria are located in the cytoplasm…
- Dysplastic nevi Atypical moles whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to be…
- Resorption The process of losing substance. Bone, when it is remodeled (reshaped), undergoes both new formation and…
- Respiratory syncytial virus Respiratory syncytial virus: A virus that causes mild respiratory infections, colds, and coughs in adults…
- Syndrome, Achoo A disorder characterized by nearly uncontrollable paroxysms of sneezing provoked in a reflex fashion by the…
- Palmar Pertaining to the palm (the grasping side) of the hand. The ancient Romans used the word 'palma' for the…
- Nickel A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of…
- Portal vein A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Lepra 1. Leprosy (Hansen disease) 2. Before the mid 19th century, psoriasis.The acronym LEPRA stands for the…
- Syphilis test, RPR Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- Startle reflex A reflex seen in normal infants in response to a loud noise. The infant with make a sudden body movement…