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).
Macular vision
The macula is a special area in the center of the retina, the light-sensitive layer of tissue at the back of the eye. As we read, light is focused onto our macula. There, millions of cells change the light into nerve signals that tell the…
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Show more- Deficiency, fatty alcohol: NAD+ oxidoreductase Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Food-secure Referring to the situation when people do not need to live with hunger or fear starvation
- PCA Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a…
- Xenograft A surgical graft of tissue from one species to an unlike species (or genus or family). A graft from a baboon…
- Qid (on prescription) A Chinese herb (also called sweet wormwood) from which is extracted the antimalarial agent artemisinin.
- Med-school syndrome See: Medical school syndrome
- Viscera The internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as…
- Antimicrobial agent A general term for drugs, chemicals, or other substances that either kill or slow the growth of microbes…
- Anti-infective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Thrombocytosis See thrombocythemia
- Retraction syndrome See: Duane syndrome
- Skin graft, porcine A skin graft in which pig skin is used. Like grafts from human donors, porcine grafts are usually just a…