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).
Knee bursitis
Knee bursitis: A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. There are three major bursae of the knee. Bursitis is usually not infectious, but the bursa can become…
Read the definitionRandom terms
Show more- Exacerbation A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and…
- Mosaic An individual or tissue containing two or more types of genetically different cells. All females are mosaics…
- Acentric chromosome A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is…
- Acute membranous gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Dizziness, anxiety as a cause of One cause of dizziness is overbreathing (hyperventilation) due to anxiety. The overbreathing also causes…
- Infection, ear (acute middle) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Dyspnoea Difficult or labored breathing; shortness of breath. Dyspnoea is a sign of serious disease of the airway…
- Transplant The grafting of a tissue from one place to another, just as in botany a bud from one plant might be grafted…
- Excisional biopsy A biopsy in which an entire biopsy in which an entire lesion, is removed. A excisional biopsy is in contrast…
- Schistosoma haematobium A species of trematode worm that parasitizes humans and causes urinary tract disease. See Schistosomiasis
- Matter, white The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…