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).
Physiology
>Some physiological studies are concerned with processes that go on within cells such as phagocytosis, the process by which cells engulf and usually digest particles, bacteria and other microorganisms, and even harmful cells. The…
Read the definitionRandom terms
Show more- Fixation, external A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External…
- DNA technology, recombinant A series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is…
- Baker cyst Baker cyst: A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac…
- Tophi The plural of tophus
- Power-of-attorney for health-care decision-making See: Proxy. health care.
- Family medicine Also called family practice. The medical specialty which provides continuing and comprehensive health care…
- Ankylosing spondylitis Ankylosing spondylitis: A type of arthritis that causes chronic inflammation of the spine and the sacroiliac…
- Shigella Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis…
- Glaucoma, low tension See: Glaucoma, normal tension
- Impaction, dental Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted…
- Vernix More formally known as vernix caseosa, the vernix is a white cheesy substance that covers and protects the…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…