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).
Acentric chromosome
A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is lacking a centromere (the 'waist' of the chromosome essential for the division and the retention of the chromosome in the cell)…
Read the definitionRandom terms
Show more- Systole, premature See: Extrasystole
- Ergotism Ergotism could be called a 'cereal killer' for its cause, ergot, comes from cereals such as rye and wheat and…
- Behcet's syndrome Behcet's syndrome: A chronic inflammatory disorder involving the small blood vessels which is characterized…
- Lamin A/C The lamin family of proteins that make up the nuclear lamina, a matrix of protein located next to the inner…
- Longevity Lifespan. (With increasing longevity, women will soon be postmenopausal for one third of their lives)
- Aquaphobia An abnormal and persistent fear of water. Sufferers from aquaphobia experience anxiety even though they…
- Attenuated Weakened, diluted, thinned, reduced, weakened, diminished. The use of 'attenuated' in medicine is not new. In…
- Fear of birds An abnormal and persistent fear of birds. Sufferers of this fear experience undue anxiety about encountering…
- Travel-related disease A disease to which travelers are susceptible specifically because of their travel. Travel-related diseases…
- Zona 1. A synonym for shingles. 2. Any zone or encircling area. 3. Any area with a specific boundary. Zona, Latin…
- Life-support A disease associated with the way a person or group of people lives. Lifestyle diseases include…
- Life support 1. A therapy or device designed to preserve someone's life when an essential bodily system is not doing so…