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).
Philadelphia chromosome (Ph)
The chromosome abnormality that causes chronic myeloid leukemia (CML). Abbreviated as the Ph chromosome. The Ph chromosome is an abnormally short chromosome 22 that is one of the two chromosomes involved in a translocation (an exchange of…
Read the definitionRandom terms
Show more- Vocal cord, false See: False vocal cord
- Psychiatric trauma An experience that is emotionally painful, distressful, or shocking and which may result in lasting mental…
- Lymphangitis The red streaking and gland (lymph node) swelling in the area of an injury especially on the extremities. It…
- Avulsion Tearing away. A nerve can be avulsed by an injury, as can part of a bone.
- Interstice A small space between things, especially between things that are usually closely spaced, such as cells…
- Somnambulism A sleepwalker.
- Developmental disorder, specific A disorder that selectively affects one area of development, sparing essentially all other areas of…
- African American An American of black African descent. The term may also be written with a hyphen as African-American. The…
- Hemidiaphragm, raised See: Elevated hemidiaphragm
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Cylindromatosis, familial See: Familial cylindromatosis
- Squamous cells Flat cells that look like fish scales. The word 'squamous' came from the Latin squama meaning 'the scale of a…