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).
Deinococcus radiodurans
A bacterium that can survives extremely high levels of radiation and therefore has high potential for radioactive waste cleanup. The genome of Deinococcus radiodurans has been sequenced. It is composed of two chromosomes, a megaplasmid…
Read the definitionRandom terms
Show more- Replication, DNA A wondrous complex process whereby the ('parent') strands of DNA in the double helix are separated and each…
- Syndrome, chromosome 4 short-arm deletion This syndrome, called the Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the…
- Female urethral opening The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Rib, cervical A extra rib which arises from the seventh cervical vertebra. It is located above the normal first rib. A…
- Engram An enduring change in the brain postulated to account for the persistence of memory. The term 'engram' was…
- Physician, family A physician who is educated and trained in family practice. 'Family physicians possess unique attitudes…
- Zollinger-Ellison syndrome A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor…
- Left ventricle The left lower chamber of the heart that receives blood from the left atrium and pumps it out under high…
- Hyperthermia, malignant A series of potentially fatal problems that can occur during surgery, malignant hyperthermia is caused by a…
- Cancer, womb See: Uterine cancer
- Cerebral Pertaining to the brain, the cerebrum or the intellect. The word 'cerebral' was borrowed directly from the…
- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms