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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Meiotic drive
Preferential selection during meiosis (germ cell production). In meiotic drive there is preferential production of certain gametes. This alters the segregation of genes from the Mendelian expectations. Meiotic drive is a mechanism for…
Read the definitionRandom terms
Show more- Mediterranean diet >High consumption of fruits, vegetables, bread and other cereals, potatoes, beans, nuts and seeds; >Olive oil…
- QHC Qualified health claim
- Tomography, computerized See: Computerized tomography
- Chloropicrin A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Gastrostomy A surgical opening into the stomach. This opening may be used for feeding usually via a feeding tube called a…
- Syndrome, Gustavson A disorder first reported in 1999 by Gustavson and colleagues as a new X-linked mental retardation syndrome…
- FEMA A name well known to people in the US who have experienced a major natural or made-man disaster. FEMA stands…
- Rhinitis, allergic The medical term for hayfever. (Hay fever is a misnomer since hay is not a usual cause of this problem and…
- Juxtaglomerular apparatus The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. The juxtaglomerular…
- Suppurate To form or discharge pus. The adjective is suppurative, as in suppurative arthritis. The noun is suppuration…
- PJS Polycystic kidney disease.
- Dacryocyst The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that…