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).
Random mating
Totally haphazard mating with no regard to the genetic makeup (genotype) of the mate so that any sperm has an equal chance of fertilizing any egg. This rarely, if ever, occurs but the concept is important in population genetics. Also…
Read the definitionRandom terms
Show more- Nanny cam A camcorder (a video camera and video recorder in one unit) that displays a live feed so that parents can…
- Cannabinoid receptor 2 One of the two known receptors in the endocannabinoid (EC) system. The gene encoding cannabinoid receptor 2…
- Ageusia The inability to taste sweet, sour, bitter, or salty substances. Some people can taste but their ability to…
- Acanthamoeba keratitis Infection of the cornea by acanthamoeba, a microscopic water-borne ameba. The disease tends to occur in…
- Polygenic disease A genetic disease caused by the combined actions of two or more genes. Examples of polygenic diseases include…
- DEA Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- Prospective study A study in which the subjects are identified and then followed forward in time
- Positive pressure ventilation The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange…
- CMV (cytomegalovirus) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Radiation therapy, conformational A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Incontinentia pigmenti In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the…
- Feverfew An herb that has been most commonly used for migraine headaches. Feverfew can cause allergic reactions…