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).
Archaea
A unique group of microorganisms classified as bacteria (Archaeobacteria) but genetically and metabolically different from all other known bacteria. They appear to be living fossils, the survivors of an ancient group of organisms that…
Read the definitionRandom terms
Show more- Muscles, abdominal A large group of muscles in the front of the abdomen that assists in the regular breathing movement and…
- Cystocele Bulging of the bladder into the vagina. From cysto- (the bladder) + -cele (hernia) because the bladder…
- Invasive candidiasis A fungal infection that occurs when Candida (a yeast-like fungus) enters the bloodstream and then spreads…
- Abuse, pregnancy Abuse of an expectant mother. This abuse is most often perpetrated by the woman's spouse, partner, or…
- Reiki ('RAY-kee') A Japanese word representing Universal Life Energy. Reiki is based on the belief that when…
- Vitamin B5 Vitamin B5 is pantothenic acid, one of the less well known B vitamins, perhaps because it is widely…
- Mimetic The adjective for 'mimesis' -- imitation or mimicry. A radiomimetic drug is one that imitates the effects of…
- Tonsil stone A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Founder effect The positive effect on gene frequency when a population (a colony) has only a small number of original…
- Newborn screening Tests of newborns to screen for serious treatable diseases most of which are genetic. The newborn screening…
- Multidetector-row computed tomography See: Multidetector computed tomography
- Septate Ided: A septate uterus is a one that is divided