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).
Antigenic shift
A sudden shift in the antigenicity of a virus resulting from the recombination of the genomes of two viral strains. Antigenic shift is seen only with influenza A viruses. It results usually from the replacement of the hemagglutinin (the…
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Show more- Livid Black and blue.
- Nondipper A person in whom there is an absence of the normal nocturnal fall (dip) in blood pressure. Nondipper status…
- Medical jurisprudence The branch of the law that deals with the application of law to medicine or, conversely, the application of…
- Nail care Care of the fingernails and toenails. Many nail problems are due to poor nail care. Recommendations for…
- Cancer, oral Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A…
- Immunity, acquired See: Acquired immunity
- Meiosis The process of germ cell formation. During meiosis, each chromosome pairs with the other chromosome in the…
- Rule out A term much used in medicine, meaning to eliminate or exclude something from consideration. The ACB (albumin…
- Cryopreservation The process of cooling and storing cells, tissues, or organs at very low temperatures to maintain viability…
- Mendelian inheritance The manner in which genes and traits are passed from parents to their children. The four modes of Mendelian…
- Breast, amastia Breast, amastia: A rare condition wherein the normal growth of the breast or nipple never takes place. They…
- Hypertension, gestational High blood pressure that develops during pregnancy and may subside after delivery. Women who have experienced…