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).
Transporter gene
The ability of genes to change position on chromosomes, a process in which a transposable element is removed from one site and inserted into a second site in the DNA. Genetic transposition was the first type of genetic instability to be…
Read the definitionRandom terms
Show more- Outer ear There are three sections of the ear: the outer ear, the middle ear, and the inner ear. The outer ear looks…
- Reporting, unique identifier In public health, a system that uses information such as the person's birth date and part of their…
- Caudate nucleus In each hemisphere of the brain, the most medial of the four basal ganglia, partly responsible for body…
- Spider bites Bites from spiders. These are usually irritating, but not poisonous. Localized reddening and swelling are…
- Dilated cardiomyopathy A disorder in which the chambers of the heart are dilated (enlarged) because the heart muscle is weakened and…
- Chondrogenesis imperfecta See: Achondrogenesis type II
- Milligray A unit of absorbed radiation equal to 0.001 gray. (A gray is the dose of one joule of energy absorbed per…
- Recommended Dietary Allowance The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of…
- BMP Bone morphogenetic protein
- ADD (attention deficit disorder) Attention deficit disorder: An inability to control behavior due to difficulty in processing neural stimuli…
- Abortion, artificial An abortion that is brought about intentionally. Also called an induced or therapeutic abortion. As opposed…
- Esophageal cancer with tylosis See: Tylosis with esophageal cancer