MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Yeast rash
A slightly raised pink-to-red rash caused by proliferation of yeast, usually in a moist area such as the groin. It is most common in infants, but can also occur on the skin of older children and adults. Treatment is by keeping the affected…
Read the definitionRandom terms
Show more- Erythema A redness of the skin resulting from inflammation, for example, as caused by sunburn
- Laser-assisted in situ keratomileusis A kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for…
- Lysis Destruction. Hemolysis is the destruction of red blood cells with the release of hemoglobin; bacteriolysis is…
- Extremophile An organism that lives under extreme conditions. An example of an extremophile is Methanococcus jannaschii, a…
- Colostomy bag A removable, disposable bag that attaches to the exterior opening of a colostomy (stoma) to permit sanitary…
- Cardiopulmonary resuscitation The circulatory system comprising the heart and blood vessels which carries nutrients and oxygen to the…
- Absolute CD4 count The number of 'helper' CD4 T-lymphocytes in a cubic millimeter of blood. With HIV, the absolute CD4 count…
- Alveolar proteinosis See: Pulmonary alveolar proteinosis
- Syndrome, Pallister-Killian Condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism (an…
- Amblyopia, nocturnal Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- P arm of a chromosome The short arm of a chromosome. The 'p' comes from the French 'petit' meaning small. All human chromosomes…
- Gene, Med1 DNA repair A gene that codes for one of the key enzymes involved in repairing DNA. The DNA in genes is constantly…