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).
DNA repair pathway
The sequence of steps in the repair of DNA. Each step is governed by an enzyme.
Read the definitionRandom terms
Show more- Major depression A disease with certain characteristic signs and symptoms that interferes with the ability to work, sleep…
- PEP The abbreviation PEP stands for a number of things in medicine including post-exposure prophylaxis…
- Family history of colon polyps See: Colon cancer family history
- Cranial nerve, twelfth See: Twelfth cranial nerve
- Gregarious parasite A parasite whose nutritional requirements permit several to many of them to live simultaneously in or on the…
- Peritonsillar abscess A collection of pus behind the tonsils that pushes one of the tonsils toward the uvula (the prominent soft…
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Quaque die (on prescription) Seen on a prescription, qd (or, written with periods, q.d.) means one a day (from the Latin quaque die). The…
- Macroscopic Large enough to be seen with the naked eye, as opposed to microscopic. For example, a macroscopic tumor is…
- Suicide, physician-assisted See: Physician-assisted suicide
- Stewart See: Stewart, Alice
- Neurotoxin A substance that causes damage to nerves or nerve tissue. For example, lead is a neurotoxin