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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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 drug
A medication containing part of the non-coding strand of messenger RNA (mRNA), a key molecule involved in the translation of DNA into protein. Antisense drugs hybridize with and inactivate mRNA. This stops a particular gene from producing…
Read the definitionRandom terms
Show more- Spider phobia See: Arachnophobia
- Pulmonary trunk A vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and…
- Juxtaglomerular apparatus The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. The juxtaglomerular…
- JPC Juvenile polyposis coli. See: Juvenile polyposis
- Morphia Another name for morphine. Both morphia and morphine come from the name of Morpheus, the ancient god of sleep…
- Disease, black lung See: Black lung disease
- Blastomyces dermatitidis The fungus that causes a disease called blastomycosis
- Radionuclide scan An examination that produces pictures of internal parts of the body. The patient is given an injection or…
- Nerve block See: Neuron.
- Saccharin An artificial sweetener which diluted in water is 300-500 times sweeter than the sugar sucrose. (Saccharin is…
- Sensorineural deafness with XX gonadal dysgenesis See: Perrault syndrome.
- Cauliflower-ear deformity Cauliflower-ear deformity: Destruction of the underlying cartilage framework of the outer ear (pinnae)…