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).
Trachelectomy
Surgical removal of the cervix, the lower portion of the uterus that protrudes into the vagina. Trachelectomy is done in younger women with early cancer of the cervix (with a tumor no larger than 2-3 centimeters). In this surgery, the…
Read the definitionRandom terms
Show more- Regurgitation A backward flowing. For example, of food. Or the sloshing of blood back into the heart (or between chambers…
- Autoimmune lymphoproliferative syndrome (ALPS) A disease caused by failure of lymphocytes to die once they have finished doing their job. As a result…
- Syndrome, Cogan A form of arteritis (also referred to as vasculitis) that involves the ear. This condition is called Cogan…
- Speculum, ear An instrument inserted into the auditory canal of the ear to increase the circumference of the tunnel-shaped…
- System, parasympathetic nervous A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Constipation Constipation: Infrequent (and frequently incomplete) bowel movements. The opposite of diarrhea, constipation…
- Selective Estrogen-Receptor Modulator (SERM) A 'designer estrogen' which possesses some, but not all, of the actions of estrogen. For example, raloxifene…
- Parietal pericardium The outer layer of the pericardium which is a conical sac of fibrous tissue that surrounds the heart and the…
- Acquired mutation A mutation (a genetic change) acquired by a somatic cell after conception. Acquired mutations occur in…
- Dandruff A mild skin condition that produces white flakes that may be shed and fall from the hair. Dandruff is due to…
- Enchondromatosis A condition characterized by multiple enchondromas -- benign masses of cartilage growing within bones. The…
- Ephedra A medicinal herb, known scientifically as Ephedra sinica and Ephedra equisetina, also known as mahuang and…