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).
Tonsillolith
A tiny stone (calculus) in the tonsils. Also referred to as a tonsillith. These stones, called tonsilloliths, are found within little pockets (crypts) in the tonsils that typically form in chronic recurrent tonsillitis and harbor bacteria…
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Show more- Autoimmune lymphoproliferative syndrome (ALPS) A disease caused by failure of lymphocytes to die once they have finished doing their job. As a result…
- Induced abortion An abortion that is brought about intentionally. Also called an artificial or therapeutic abortion. As…
- Costal margin The lower edge of the chest (thorax) formed by the bottom edge of the rib cage
- Syndrome, renal, with hemorrhagic fever A number of diseases, also known as hemorrhagic fever, characterized by an abrupt onset of high fever and…
- Glucose-6-phosphate dehydrogenase (G6PD) Deficiency of G6PD is the commonest disease-causing enzyme defect in humans affecting an estimated 400…
- Pulmonary trunk A vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and…
- Diffuse degeneration of gray matter with cirrhosis Ic cirrhosis, Alpers: A progressive disease of the nervous system characterized by spasticity (tightness)…
- Guttate psoriasis A type of psoriasis characterized by red, scaly patches of inflamed skin on all parts of the body. It is…
- Midwife, certified nurse See: Certified nurse-midwife
- Susceptibility genes, breast cancer Inherited factors that predispose to breast cancer. Put otherwise, these genes make one more susceptible to…
- Fever, undulant An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers…
- Blood group An inherited feature on the surface of the red blood cells. A series of related blood types constitute a…