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).
Orgasm
The climax of coitus, consisting of a series of involuntary muscle contractions in the anus, lower pelvic muscles, and sexual organs, accompanied by a sudden release of endorphins providing a feeling of euphoria. In the male, orgasm…
Read the definitionRandom terms
Show more- Catalyst A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are…
- Systole, extra See: Extrasystole
- Pain unit A measurement of the intensity of pain. See also: Dol
- Transsexualism A consistently strong desire to change one's anatomical gender. Some transsexuals were misassigned gender at…
- Hematemesis The medical term for bloody vomitus. The word 'hematemesis' is made up of 'hema-', blood + 'emesis', vomit =…
- Acid reflux A common condition and an abnormal one in which acid in the stomach rises up into the esophagus. This occurs…
- Disease, Hodgkin (Hodgkin lymphoma) A disease of the lymph nodes named after the English physician Thomas Hodgkin (1798-1866) who discovered it…
- Tapeworm, beef See Taenia saginata.
- Syndactyly, Poland A unique pattern of one- sided malformations characterized by a defect of the chest (pectoralis) muscle on…
- Bulimia susceptibility gene A gene that determines the susceptibility to developing bulimia, one disorder in the spectrum of eating…
- Tartar Tartar is the hardened product of longstanding plaque accumulating minerals from the saliva and foods. Plaque…
- Vagina The muscular canal extending from the cervix to the outside of the body. It is usually six to seven inches in…