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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Medic Alert
Originally,a bracelet that a person could wear to warn medical professionals in an emergency about a serious health problem. In 1953 Linda Collins, the daughter of Dr. Marion Collins and Chrissie Collins, had a near-fatal reaction to a…
Read the definitionRandom terms
Show more- Welt A red bump, ridge or swelling of unbroken skin raised by a stinging blow or by an allergic reaction to foods…
- Sabin, Florence R. Sandy or gritty. For example, the sludge in bile may be sabulous. And the stony sediment in urine may be…
- Syphilis, tertiary The third stage of syphilis, in which the syphilis spirochetes infect the brain and other organs of the body…
- Serratus magnus One of the serratus muscles of the back and thorax. The serratus magnus originates from the lateral aspect…
- Mitochondrial genome All of the genetic information contained in the chromosome of the mitochondrion, a structure located in the…
- Syndrome, autoimmune polyglandular (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- DNA repair pathway The sequence of steps in the repair of DNA. Each step is governed by an enzyme.
- Overweight The term 'overweight' is used in two different ways. In one sense it is a way of saying imprecisely that…
- Dacryocyst The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that…
- Ear, internal There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The…
- Test, tilt-table Tilt-table testing involves placing the patient on a table with a foot-support. The table is tilted upward…
- Functional scoliosis A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…