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).
Phthisis
A good trivia or crossword item. An over-consonanted Greek word meaning 'a dwindling or wasting away.' Pronounced TIE-sis. Phthisis is an archaic name for tuberculosis. A person afflicted with tuberculosis in the old days was destined to…
Read the definitionRandom terms
Show more- Corneal dystrophy A condition in which one or more parts of the cornea lose their normal clarity due to a buildup of cloudy…
- Ear The hearing organ. There are three sections of the ear, according to the anatomy textbooks. They are the…
- Nephropathy Any kidney disease. For example, there is diabetic nephropathy, gouty nephropathy, HIV-associated…
- Colonoscopy Colonoscopy: A procedure in which a long flexible viewing tube (a colonoscope) is threaded up through the…
- FUO (Fever of Unknown Origin) Nothing more nor less than a "boil" with a fancy name. A boil is a collection of pus. Antibiotics are often…
- Radiation oncology Also called radiation therapy or radiotherapy, radiation oncology is the use of high-energy rays to damage…
- Legionnaire disease A disease due to the bacteria Legionella pneumophila found in plumbing, shower heads and water-storage tanks…
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Hemolytic anemia Anemia due to the destruction (rather than underproduction) of red blood cells.
- Pavlovian conditioning The Russian physiologist Ivan Petrovich Pavlov (1848-1936) conditioned dogs to respond in what proved to be a…
- Parenchymal Pertaining to the parenchyma of an organ. See: Parenchyma
- Homozygous Possessing two identical forms of a particular gene, one inherited from each parent