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).
ALS
Amyotrophic lateral sclerosis. ALS has two meanings. One meaning of ALS refers to several adult diseases characterized by progressive degeneration of motor neurons. (In the UK, the term 'motor neuron disease' is used for these disorders.)…
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Show more- Treacle A medicinal compound once in wide use as an antidote to poisons. Treacle was a kind of salve. It was reputed…
- Electrophoresis A process by which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size and…
- Infiltrating lobular carcinoma of the breast Breast: Infiltrating lobular carcinoma is the second most common type of invasive breast cancer next to…
- Dengue shock syndrome A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Glutamic acid An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glutamic acid is present…
- Cancer, testicles Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Heart-lung machine A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for…
- Prostatitis, nonbacterial Prostatitis, nonbacterial: Inflammation of the prostate not due to bacterial infection. The prostate is a…
- Homeotherm A homeotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is…
- Anemia Anemia: The condition of having less than the normal number of red blood cells or less than the normal…
- Godfrey Hounsfield See: Hounsfield, Godfrey
- Fat 1 Along with proteins and carbohydrates, one of the three nutrients used as energy sources by the body. The…