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).
Appendix
A small outpouching from the beginning of the large intestine (the ascending colon). Formally called the vermiform appendix because it was thought to be wormlike. See also: Appendicitis; Appendix cancer.
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Show more- TLR4 Toll-like receptor 4
- Translocation, reciprocal A type of chromosome rearrangement involving the exchange of chromosome segments between two chromosomes that…
- Bipolar II disorder Bipolar disorder in someone who has experienced depression and at least one episode of hypomania but not…
- Leukocytosis Increase in the number of white blood cells.
- Sweat gland The sweat (sudoriferous) glands are small tubular structures situated within and under the skin (in the…
- Spectrophobia An abnormal and persistent fear of ghosts. Sufferers of spectrophobia experience undue anxiety even though…
- Intestinal obstruction Blockage of the intestine by infolding (intussusception), malformation, tumor, digestive problems, a foreign…
- Hypermnesia Abnormally strong memory of the past. As compared to hypomnesia and amnesia. From hyper- + the Greek mneme…
- Intubation The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of…
- Insemination, homologous A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Hydronephrosis Hydronephrosis: Distention of the kidney with urine. Due to obstruction of urine outflow (for example, by a…
- Intraepithelial Within the layer of cells that forms the surface or lining of an organ