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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Control (genetic)
The control of gene expression. Genetic control may be on the transcriptional or translational level. Transcriptional control works by controlling the number of RNA transcripts of a region of DNA, indirectly controlling protein synthesis…
Read the definitionRandom terms
Show more- Wet brain See: Cerebral edema
- Malleability, brain See Neuroplasticity
- Coprophobia An abnormal and persistent fear of feces (bowel waste). Sufferers of coprophobia experience anxiety even…
- Opportunistic condition A condition that occurs especially or exclusively in persons with a weak immune system due, for example, to…
- Nipple discharge See: Breast discharge
- Lab result The result of a test done in a laboratory
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- IgM Immunoglobulin M, a major class of immunoglobulins. IgM includes the antibodies that are usually produced…
- Anal incontinence Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…
- Flood aftermath >Power and Gas -- Electrical power and natural gas or propane tanks should be shut off to avoid fire…
- Subaortic stenosis Narrowing of the left ventricle of the heart just below the aortic valve through which blood must pass on its…
- Hypercarbia More than the normal level of carbon dioxide in the blood. Hypercarbia is the opposite of hypocarbia