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).
Gene, regulatory
A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime preoccupation is to horn in on other genes and control the rate at which they make products
Read the definitionRandom terms
Show more- Forensics, DNA DNA:See: DNA forensics
- Pulse, trip-hammer See: Pulse, water hammer
- Laryngectomy, partial A surgical procedure on the voice box designed to preserve the voice. The surgeon removes part of the voice…
- Minor anomaly An unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. A minor…
- Lattice dystrophy A form of hereditary corneal dystrophy in which there is an accumulation of amyloid deposits, or abnormal…
- Claudication Claudication: Limping. The word 'claudication' comes from the Latin 'claudicare' meaning to limp. The Roman…
- Neutrophil A type of white blood cell, specifically a form of granulocyte, filled with neutrally-staining granules, tiny…
- Breast, amastia Breast, amastia: A rare condition wherein the normal growth of the breast or nipple never takes place. They…
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- Hypovolemia An abnormal decrease in blood volume or, strictly speaking, an abnormal decrease in the volume of blood…
- Hepatic vein One of the veins which drains blood from the liver
- Stethoscope An instrument used to transmit low-volume sounds such as the heartbeat (or intestinal, venous, or fetal…