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).
Supernumerary
Beyond the normal number. Anything supernumerary is extra. A supernumerary chromosome is an extra one beyond the usual number of 46. A supernumerary digit is an extra finger or toe. A supernumerary nipple is an extra nipple beyond the…
Read the definitionRandom terms
Show more- Semen DNA analysis Surface EMG.
- Syndrome, WPW WPW is an abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the…
- Lectin A complex molecule that contains both protein and sugar. Lectins are made by both animals and plants and are…
- Cascade A sequence of successive activation reactions involving enzymes (enzyme cascade) or hormones (hormone…
- RNA, transfer In cooperation with the ribosomes, transfer RNA brings (transfers) activated amino acids into position along…
- In situ In the normal location. An 'in situ' tumor is one that is confined to its site of origin and has not invaded…
- UV radiation Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Bronchopulmonary dysplasia A chronic lung disease of babies, which most commonly develops in the first 4 weeks after birth and most…
- Oil, tropical Coconut, palm kernel or palm oil. Like all fats and oils, these three oils contain various types of fatty…
- Pediatric urine infection See: Urinary tract infection in children
- Cortisol The primary stress hormone. Cortisol is the major natural GLUCOCORTICOID (GC) in humans