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).
Great Plague
The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague was a highly contagious, infectious, virulent, devastating disease due to a bacteria called Yersinia pestis which mainly infects…
Read the definitionRandom terms
Show more- Anger An emotional state that may range in intensity from mild irritation to intense fury and rage. Anger has…
- Health Saving Account See: Artic health.
- Personality disorder, borderline A serious mental illness characterized by pervasive instability in moods, interpersonal relationships…
- Intersex A group of conditions sometimes referred to as disorders of sexual development (DSDs) in which there is a…
- Superfluous Beyond what is sufficient. A sixth finger is superfluous
- Technology transfer The process of converting scientific findings from research laboratories into useful products by the…
- Robust In statistics, a term applied to a test or procedure that is not seriously disturbed by violations of the…
- Pharmacologist A specialist in the study of medications and their effects on the body
- Tuberoeruptive xanthoma See: Eruptive xanthoma
- Hemolytic anemia Anemia due to the destruction (rather than underproduction) of red blood cells.
- Acquired immunity Immunity acquired by infection or vaccination (active immunity) or by the transfer of antibody or lymphocytes…
- Nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…