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).
Regulatory region
A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
Read the definitionRandom terms
Show more- Eyelid The lid or cover of the eye, a movable fold of skin and muscle that can be closed over the eyeball or opened…
- Repetitive DNA DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Oriental lung fluke Paragonimus westermani. See: Paragonimiasis
- Artificial heart A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Colpotomy A surgical incision in the vagina. The -tomy part of the word comes from the Greek tome meaning cutting
- Cortisone An adrenocorticoid hormone, a naturally occurring hormone made by and secreted by the adrenal cortex, the…
- Tartar Tartar is the hardened product of longstanding plaque accumulating minerals from the saliva and foods. Plaque…
- Cradlecam See: Kiddie cam
- Pulmonary stenosis, peripheral, with cholestasis Also known as arteriohepatic dysplasia or Alagille syndrome, this ia a genetic disorder characterized by…
- Acid-base balance Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutral pH (that is…
- Acathisia See: Akathisia
- Postoperative After surgery. As opposed to preoperative, before surgery