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).
Antisense mRNA
An mRNA (messenger RNA) transcript that is complementary to endogenous mRNA. Antisense mRNA is the noncoding strand complementary to the coding sequence of mRNA. Introducing a transgene coding for antisense mRNA is a strategy used to block…
Read the definitionRandom terms
Show more- Immunization Vaccination. Immunizations work by stimulating the immune system, the natural disease-fighting system of the…
- Midlife crisis A period of personal emotional turmoil and coping challenges that some people encounter when they reach…
- Hepatobiliary Having to do with the liver plus the gallbladder, bile ducts, or bile. For example, MRI (magnetic resonance…
- Vein A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated…
- Diverticulosis/diverticulitis and fiber Fiber: High fiber diets help delay the progression of diverticulosis and, at least, reduce the bouts of…
- Tonometry Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a…
- Babinski reflex An important neurologic test based, believe it or not, upon what the big toe does when the sole of the foot…
- Cysticercus The larval form of any of the Taenia tapeworms. The plural is cysticerci. Infection with cysticerci is…
- Myokymia Continuous involuntary muscle twitchings that give the appearance of wormlike rippling of muscle. The muscle…
- Refraction test Also termed vision test, the refraction test is an examination that tests an individual's ability to see an…
- Philtrum The area from below the nose to the upper lip. Normally the philtrum is grooved. In fetal alcohol syndrome…
- Pupil dilation test An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of…