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).
Chicken genome
The genome of the Red Jungle Fowl, Gallus gallus, the ancestor of domestic chickens, comprising about 1 billion DNA base pairs. The Gallus gallus genome was the first avian genome to be sequenced. A team led by Richard Wilson from the…
Read the definitionRandom terms
Show more- Gustavson syndrome A disorder first reported in 1999 by Gustavson and colleagues as a new X-linked mental retardation syndrome…
- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…
- Pituitary gigantism Excessive growth and too much height due to chronic overactivity of the pituitary gland which is located at…
- Polycystic kidney disease, autosomal recessive Ystic kidney disease, autosomal recessive: An early onset disorder characterized by the presence of…
- IOP (intraocular pressure) The pressure created by the continual renewal of fluids within the eye. The normal IOP varies among…
- Cystatin 3 See: Cystatin C
- Juxtaarticular The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtaarticular is composed…
- Open-label trial A clinical trial in which researchers and participants know which drug or vaccine is being administered
- Angina pectoris Chest pain that is typically severe and crushing with a feeling just behind the breastbone (the sternum) of…
- Calor Heat, one of the four classic signs of inflammation (together with dolor, rubor and tumor). From the Latin…
- Agency for Toxic Substances and Disease Registry An agency of the U.S. Department of Health and Human Services under the Public Health Service that works with…
- QHC Qualified health claim