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.
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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).
Chromosome inversion, pericentric
A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is lacking a centromere (the "waist" of the chromosome essential for the division and the retention of the chromosome in the cell)…
Read the definitionRandom terms
Show more- Atonic seizure A seizure in which the person suddenly loses muscle tone and strength and, unless supported, falls down. Also…
- Caesarian section, lower segment A Caesarian section in which the surgical incision is made in the lower segment of the uterus. Abbreviated…
- RWI Recreational water illness
- Alstrom syndrome A progressive genetic disorder characterized by obesity, deafness, and visual problems in childhood and…
- Hysterectomy, complete Hysterectomy, complete: Complete surgical removal of the uterus and cervix. Also called a total hysterectomy
- Ovarian pregnancy An abnormal pregnancy that takes place within the ovary itself due to the development of a fertilized ovum…
- Mastocytosis A condition characterized by infiltration of mast cells into the tissues of the body. Mast cells are…
- Medicalize To identify a condition as a disorder requiring medical treatment. The term 'medicalize' is usually used in a…
- Ventricle, cerebral One of a system of four communicating cavities within the brain that are continuous with the central canal of…
- Subacute Rather recent onset or somewhat rapid change. The term 'subacute' is used in contrast to acute which…
- Fatty acid, trans An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- X, factor A coagulation factor, a substance in blood essential to the normal clotting process. Production of factor X…