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).
Anergy
A state of immune unresponsiveness. Induced when the T cell's antigen receptor is stimulated, effectively freezing T cell responses pending a 'second signal' from the antigen-presenting cell. The delivery of the second signal by the…
Read the definitionRandom terms
Show more- Enuresis Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys…
- Debulk To remove part of the bulk, usually of a tumor or dead tissue. Debulking may be done by surgery, irradiation…
- Membrane cofactor protein See: MCP
- Alpha-defensin See: Defensin
- Lymphatics Small thin channels similar to blood vessels that do not carry blood, but collect and carry tissue fluid…
- Sydenham, Thomas (1624-1689) Great English physician who has been called the 'English Hippocrates' and the 'father of English…
- Seizure, tonic-clonic See: Tonic-clonic seizure
- Gy Abbreviation for gray
- CDNA Complementary DNA. cDNA is single-stranded DNA made in the laboratory from a messenger RNA template under the…
- Presbyacusia See: Presbycusis
- Hereditary atransferrinemia A genetic disorder in which there is absence of transferrin, a plasma protein that transports iron through…
- Colorectal surgeon A general surgeon who has had further training and is expert in the diagnosis and treatment of benign and…