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).
Helicase
An enzyme that unwinds double-strand DNA into two single DNA strands
Read the definitionRandom terms
Show more- Staging In regard to cancer, the process of doing examinations and tests to learn the extent of the cancer…
- Xanthelasma Tiny (1-2 mm) yellowish plaques that are slightly raised on the skin surface of the upper or lower eyelids…
- Ectomy A surgical suffix referring to the removal of something. For example, a lumpectomy is the surgical excision…
- Nummular eczema Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Tinel's sign An examination test that is used by doctors to detect an irritated nerve. Tinel's sign is performed by…
- Crohn ileocolitis Crohn disease involving the ileum (the lowest portion of the small intestine) and the colon (the large…
- Periodontitis Gum disease. The word 'periodontitis' literally means 'inflammation around the tooth.' Periodontitis and all…
- Anal papillae The plural of anal papilla. See: Anal papilla
- Progeny The children and other descendants. For example one might say that the progeny of someone with a genetic…
- Amygdaloid body See: Amygdaloid nucleus
- PEEP Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- Neutropenia, severe congenital (SCN) Neutropenia, severe congenital (SCN): Children born with this condition lack neutrophils (a type of white…