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).
Syndrome, respiratory distress (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- Syndrome, Kartagener's The trio of sinusitis, bronchitis and situs inversus (lateral reversal of the position all organs in the…
- Slipped vertebra See: Spondylolisthesis
- Gyn- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Cataract A clouding of the lens of the eye. The normally clear aspirin-sized lens of the eye starts to become cloudy…
- Focal gigantism 1. The excessive growth of a specific body part such as a hand or foot, as with increased blood supply to…
- Mouse genome All of the genetic information contained in the laboratory mouse (Mus musculus). The genomes of particular…
- Tache noire Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic…
- CA 15-3 A tumor marker most useful in following the course of treatment in women diagnosed with breast cancer…
- Diuresis The increased formation of urine by the kidney. See diuretic for more detail
- Degenerative joint disease Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- Connective tissue disease Connective tissue disease: A disease (autoimmune or otherwise) that attacks the collagen or other components…
- Cryocardioplegia Paralysis of the heart by cold (hypothermia)