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).
Respiratory distress syndrome (RDS)
Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by a deficiency of a molecule called surfactant. RDS almost always occurs in newborns born before 37 weeks of gestation. The more…
Read the definitionRandom terms
Show more- Fasciculation Involuntary contractions or twitchings of groups of muscle fibers. Fasciculations can occur in normal…
- Syndrome, MASA MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs. Features of the syndrome…
- Failure, autonomic See: Autonomic failure
- Episcleritis Inflammation of the episclera, a thin membrane that covers the sclera (the white of the eye). Episcleritis is…
- Stem cell One of the human body's master cells, with the ability to grow into any one of the body's more than 200 cell…
- Abscess, perianal See: Perianal abscess
- FOBT Fecal occult blood test
- Pneumonia, aspiration Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs).
- Barrett's esophagus Ng=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Intersex A group of conditions sometimes referred to as disorders of sexual development (DSDs) in which there is a…
- Alcohol, pregnancy The consumption of alcohol during pregnancy carries the danger of damaging the fetus.
- Syndrome A set of signs and symptoms that tend to occur together and which reflect the presence of a particular…