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).
Arteriosclerosis
Hardening and thickening of the walls of the arteries. Arteriosclerosis can occur because of fatty deposits on the inner lining of arteries (atherosclerosis), calcification of the wall of the arteries, or thickening of the muscular wall of…
Read the definitionRandom terms
Show more- Genital wart A wart in the moist skin of the genitals or around the anus. Genital warts are due to a human papillomavirus…
- Joint, TM The joint that hinges the lower jaw (mandible) to the skull
- Cervical vertebra, first The first cervical (neck) vertebra is called the atlas. It supports the head. The atlas bone is named for the…
- Pigment A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair
- Sweat gland The sweat (sudoriferous) glands are small tubular structures situated within and under the skin (in the…
- Vanishing lung syndrome A radiological syndrome in which the lungs appear to be disappearing on X-ray. The syndrome is characterized…
- Lipid Another word for 'fat.' (Please see the various meanings of Fat.) A lipid is more formally defined as a…
- Microscope, simple A microscope that has a single converging lens (or a combination of lenses that function optically as a…
- Neuralgia, postherpetic Localized pain in the area of involvement of shingles that persists beyond one month. The most common…
- Hyperglycemic response A response resulting in a high blood sugar and specifically elevating the level of the sugar glucose in the…
- Type II error The statistical error (said to be 'of the second kind' or beta error) made in testing an hypothesis when it…
- Background radiation Radiation that comes from environmental sources including the earth's crust, the atmosphere, cosmic rays, and…