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).
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Read the definitionRandom terms
Show more- Atrial septum The wall between the two upper chambers (the right and left atrium) of the heart
- Ovulation The release of the ripe egg from the ovary. The egg is released when the cavity surrounding it (the follicle)…
- Kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Library, arrayed In genetics, arrayed libraries of DNA clones are used for many purposes, including screening for a specific…
- Mental retardation and clasped thumbs A syndrome with the following characteristic features:(1) Neurological: Mental retardation and aphasia (lack…
- Isotopic Referring to an isotope, a form of a chemical element with the same atomic number as another element but…
- Artery, central retinal The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Fasciola hepatica A parasite called the liver fluke which causes Fascioliasis or 'liver rot' in ruminants and many other…
- Allergy and Infectious Diseases, National Inst. One of the U.S. National Institutes of Health (NIH), the mission of the NIAID is 'to support and conduct…
- Skin, tattooing of the The permanent insertion of ink or other pigments below the skin using a sharp instrument. Humans have done…
- Subconjunctival hemorrhage Hemorrhage: A very common cause of a painless bloody eye usually first noticed by somebody else or by the…
- Tuberculosis, antibiotic-resistant A variant of tuberculosis (TB) that is not affected by one or more of the antibiotics normally used to treat…