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).
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- Addiction A chronic relapsing condition characterized by compulsive drug-seeking and abuse and by long-lasting chemical…
- Pain, breast Pain in the breast or mammary gland, known medically as mastalgia. From the Greek masto-, breast + algos, pain
- Arthritis, rheumatoid Autoimmune disease that is characterized by chronic inflammation of the joints and can cause inflammation of…
- Score, Apgar A practical method to assess a newborn infant, the Apgar score is a number arrived at by scoring the heart…
- Oncologist A physician who specializes in the diagnosis and treatment of cancer. A clinical oncologist is usually…
- Contig map A map depicting the relative order of a linked library of small overlapping clones representing a complete…
- Compression 1. The act of pressing together. As in a compression fracture, nerve compression, or spinal cord compression…
- Patent ductus Failure of the ductus arteriosus, which functions in fetal life as an arterial shunt, to close on schedule at…
- Kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Vaccine, inactivated polio See: Polio vaccine, inactivated
- Evening primrose oil A natural source of essential fatty acids (EFOs). Evening primrose oil contains a higher level of arachnoidic…
- Cardiovascular disease Disease affecting the heart or blood vessels. Cardiovascular diseases include arteriosclerosis, coronary…