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).
CpG island
In molecular genetics, a short region of DNA rich in CpG sites, often located near the promoters of genes. Methylation of the CpG sites influences the activity of nearby genes and is critical to the regulation of gene expression
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Show more- FMF (familial Mediterranean fever) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Abiotic 1. Not associated with living organisms.2. Anything in the environment incapable of life, such as the soil or…
- HER2 Abbreviation for human epidermal growth factor receptor 2. HER2 is expressed by, and involved in the growth…
- Chekhov, Anton (1860-1904) 'Russia's most famous physician' and greatest dramatist. Anton Pavlovich Chekhov graduated from…
- Red-green colorblindness A form of colorblindness in which red and green are perceived as identical. This is the most common type of…
- Big bone disease See: Kashin-Beck disease
- System, parasympathetic nervous A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Transdifferentiation An instrument that converts electrical energy into mechanical energy. A transducer can also act as a…
- Band, Q A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…
- Vasovagal syncope The temporary loss of consciousness in a particular kind of situation (situational syncope) due to a…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Scoliosis Scoliosis: Sideways (lateral) curving of the spine (the backbone). The degree of scoliosis may range from…