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).
Hyperexplexia
A genetic disorder in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of hypertonia (stiffness)…
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Show more- Landry ascending paralysis A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness…
- Memory, long-term A system for permanently storing, managing, and retrieving information for later use. Items of information…
- Calculus 1. A stone within the body, such as a stone in the urinary tract. 2. The calcium salt deposits on the teeth…
- Nipple shield A cap or dome, usually made today of plastic (formerly, rubber), placed over the nipple and areola during…
- Flail chest When enough ribs are broken (usually from a crush injury) to compromise the rigidity of the chest wall. On…
- Intervening sequence Part of a gene that is initially transcribed from the DNA into the primary RNA transcript but then is excised…
- Anhedonia Loss of the capacity to experience pleasure. The inability to gain pleasure from normally pleasurable…
- Heart muscle A type of muscle with unique features only found in the heart. The heart muscle, or cardiac muscle, is…
- Strep test, rapid A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- Specific-pathogen free A term applied to animals reared for use in laboratory experiments when the animals are known to be free of…
- Heparin An anticoagulant (anti-clotting) medication. Heparin is useful in preventing thromboembolic complications…
- Bovine genome The genome of the cow (Bos taurus). The bovine genome is similar in size to the genomes of humans and other…