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).
Hiccup
A hiccup is an extraordinary type of respiratory movement involving a sudden inspiration (intake of air) due to an involuntary contraction of the diaphragm accompanied by closure of the glottis (the vocal apparatus of the larynx). The…
Read the definitionRandom terms
Show more- Opioid 1. A synthetic narcotic that resembles the naturally occurring opiates. 2. Any substance that binds to or…
- Phosphate A form of phosphoric acid. Calcium phosphate makes bones and teeth hard.
- Exopeptidase An enzyme that catalyzes the cleavage of the terminal (last) or next-to-last peptide bond from a polypeptide…
- Enanthem A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a…
- FLAP A gene that helps make a leukotriene, a signal that activates the white blood cells involved in inflammation…
- HEPA Acronym that stands for High-Efficiency Particulate Air and for High-Efficiency Particulate Arrestor. HEPA…
- Anesthesiologist A physician or, less often, a dentist who is specialized in the practice of anesthesiology, the branch of…
- Test, allergy skin Allergy skin: Test done on the skin to identify the allergy substance (the allergen) that is triggering the…
- Neurosyphilis, tabes Also known as tabes dorsalis, the slowly progressive degeneration of the spinal cord that occurs in the late…
- HMPS Hereditary mixed polyposis syndrome
- Tissue, lymphoid A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…
- Herpes, febrile A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…