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).
Fertility awareness
Also known as natural family planning, periodic abstinence and the rhythm method, this approach entails not having sexual intercourse on the days of a woman's menstrual cycle when she could become pregnant or using a barrier method (such…
Read the definitionRandom terms
Show more- Varicose vein A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often…
- Articulation 1. In speech, the production and use of speech sounds.2. In dentistry, the contact of the occlusal surfaces…
- Antigenic shift A sudden shift in the antigenicity of a virus resulting from the recombination of the genomes of two viral…
- Epilepsy, Jacksonian Epilepsy, Jacksonian:A brief alteration in movement, sensation or nerve function caused by abnormal…
- Fragile X chromosome An X chromosome with a heritable fragile site associated with a frequent form of mental retardation -- the…
- Stage of dilatation The part of labor when the cervix dilates fully (to 10 centimeters). Also called the first stage of labor
- Tablet splitting The practice of cutting tablets in half. The reason is usually financial. To reduce costs, a physician may…
- Retinoschisis, X-linked juvenile See: Juvenile retinoschisis
- DNA, mitochondrial Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell…
- Molars Molars are the large teeth at the back of the mouth.
- Cycle, menstrual See: Menstrual cycle
- Nephrotomogram A series of special x-rays of the kidneys. The x-rays are taken from different angles. They show the kidneys…