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).
Antibody cross reactivity
The ability of an antibody to react with similar antigenic sites on different proteins
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Show more- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…
- Lamin A Abbreviated LMNA. A gene on chromosome 1 that encodes a protein which is a key component of the membrane…
- Gestation period The period of development of the young from the time of conception until birth. For humans the full gestation…
- Petechiae Pinpoint flat round red spots under the skin surface caused by intradermal hemorrhage (bleeding into the…
- Hepatic encephalopathy Brain dysfunction directly due to liver dysfunction, most often recognized in advanced liver disease. Hepatic…
- Histocompatible Literally, tissue compatible. If a donor and recipient are histocompatible, a transplant is expected to be…
- NvCJD New variant Creutzfeldt-Jakob disease, a human disease thought due to the same infectious agent as bovine…
- Single palmar flexion crease See: Simian crease
- Iridology The practice of diagnosing disease by examining the iris of the eye. Although some diseases do affect the…
- Sacral vertebrae There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- PERV Acronym for the porcine endogenous retrovirus, a pig virus that splices into DNA. PERV belongs to the same…
- Mosaic An individual or tissue containing two or more types of genetically different cells. All females are mosaics…