MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Tryptophan
An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, tryptophan is necessary for optimal growth of children. Bacteria in the intestine break tryptophan down to compounds that largely are responsible for…
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Show more- Fever, trench Fever, trench: A disease borne by body lice that was first recognized in the trenches of World War I, when it…
- Vertical Passage of a disease-causing agent (a pathogen) vertically from mother directly to baby during the perinatal…
- Cider vinegar diet The cedar vinegar diet is a weight loss plan based upon the consumption of one, two, or three teaspoons of…
- Binucleate Having two nuclei. Binucleate cells are due to a defect in cytokinesis, the process by which two daughter…
- Quadriparesis Weakness of all four limbs, both arms and both legs, as for example from muscular dystrophy.
- Extracranial hematoma A hematoma (a collection of blood) outside the cranium (skull)
- Genome, chromosomal All of the genetic information in the chromosomes of an organism. For humans, that is all of the DNA…
- Off-label use In the United States, the regulations of the Food and Drug Administration (FDA) permit physicians to…
- Buschke disease See: Scleredema
- Serotonin reuptake inhibitor, selective A selective serotonin reuptake inhibitor (SSRI) is one of the commonly prescribed drugs for treating…
- Ciguatera Seafood poisoning due to ciguatoxin, a toxin acquired by eating fish that have consumed toxic single-celled…
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…