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).
Virulence
The ability of any agent of infection to produce disease. The virulence of a microorganism (such as a bacterium or virus) is a measure of the severity of the disease it is capable of causing. The adjective virulent implies extremely…
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Show more- Penetrance The likelihood a given gene will result in disease. For example, if half (50%) of the people with the…
- Zomig Brand name for zolmitriptan, a triptan drug for the treatment of migraine
- Paralysis, sleep Sleep: A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Alpha Omega Alpha The medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada…
- Penis The external male sex organ used to copulate and ejaculate semen and to convey urine outside the body. In…
- Fever of Unknown Origin Fever of unknown origin (FUO) is a fever greater than 38.3°C (101 °F) that has occurred intermittently for…
- Latent Hidden, dormant, inactive. The virus that causes chickenpox remains latent after the initial attack of…
- Litho- See: Lithium.
- Li-Fraumeni syndrome (LFS) This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity…
- Annexin V Annexin V is the cause of a syndrome called the antiphospholipid antibody syndrome with abnormal blood…
- Insemination, homologous A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Inheritance, mendelian The manner in which genes and traits are passed from parents to their children. The four modes of Mendelian…