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).
Chromatin
The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made up of DNA attached to a protein structure, together with chromosomal RNA. Chromatin exists in two states, euchromatin and…
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Show more- Sulfonylurea sensitivity Sensitivity to the hypoglycemic effects of the oral hypoglycemic agents in the sulfonylurea class
- Paradoxical embolism Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel…
- Excimer laser A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are…
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Extracranial hematoma A hematoma (a collection of blood) outside the cranium (skull)
- Tay-Sachs disease A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a…
- Suicidal Pertaining to suicide. the taking of ones own life. As in a suicidal gesture, suicidal thought, or suicidal…
- Immune tolerance A state of unresponsiveness to a specific antigen or group of antigens to which a person is normally…
- ZAP-70 Zeta-chain-associated protein kinase 70. A member of the protein tyrosine kinase family, ZAP-70 is normally…
- Obesity Obesity: The state of being well above one's normal weight. A person has traditionally been considered to be…
- Single upper palm crease See: Simian crease
- Tanapox A poxvirus infection common in equatorial Africa. The disease starts with mild fever for 2 to 4 days…