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).
Malignant
1. Tending to be severe and become progressively worse, as in malignant hypertension. 2. In regard to a tumor, having the properties of a malignancy that can invade and destroy nearby tissue and that may spread (metastasize) to other parts…
Read the definitionRandom terms
Show more- Anti-CCP See: Citrulline antibody
- Roth's spot A hemorrhage in the retina with a white center. Originally associated with bacterial endocarditis, Roth's…
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- NEP 1. Neutral endopeptidase. See: Metallomembrane endopeptidase.2. Neuroepithelial
- HHV-5 Human herpesvirus 5. See cytomegalovirus.
- Panic disorder Panic disorder: A disorder characterized by sudden attacks of fear and panic. The episodes may resemble a…
- Oral rehydration therapy The administration of special fluids by mouth treat dehydration. Abbreviated ORT. See also: Oral rehydration…
- PGE-2 Prostaglandin E2
- Syndrome, de Lange See: de Lange syndrome
- Acute fatty liver of pregnancy Fatty liver of pregnancy: Liver failure in late pregnancy, usually from unknown cause. Acute fatty liver of…
- Colon polyp A fleshy growth on the inside (the lining) of the colon (the large intestine). Colon polyps are extremely…
- Advanced maternal age Usually defined as age 35 or more for the mother at the time of delivery of her baby. Advanced maternal age…