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).
Multiple personality disorder
A neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes dominant and controls behavior from time to time to the exclusion of the other parts
Read the definitionRandom terms
Show more- Anotia No ear. The term 'anotia' usually refers to congenital (from birth) absence of the external ear, the auricle…
- Colonic adenoma family history See: Colon cancer family history
- Antidepressant, SSRI A selective serotonin reuptake inhibitor (SSRI), one of the commonly prescribed drugs for treating…
- Warburg apparatus A device used in biochemistry for measuring breathing (respiration) by tissues. Tissue slices are enclosed in…
- CARDIA Study Coronary Artery Risk Development In Young Adults (CARDIA). A study designed to increase understanding of…
- Vasa previa A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus…
- Upregulation An increase in the number of receptors on the surface of target cells, making the cells more sensitive to a…
- Osteoclasis The surgical destruction of bone tissue. Osteoclasis is performed to reconstruct a bone that is malformed…
- Uricaciduria The presence of excess uric acid in the urine, which may be a sign of gout or kidney stones
- Night blindness Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- DNA virus A virus in which the genetic material is DNA rather than RNA. The DNA may be either double- or…
- Colonic (adjective) Relating to the colon, that part of the large intestine that runs from the cecum to the rectum. For a…