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).
Aspirin
A good example of a tradename that entered into the language, Aspirin was once the Bayer trademark for acetylsalicylic acid. The first use of what became known as aspirin was by the Greek physician Hippocrates, who used powder extracted…
Read the definitionRandom terms
Show more- German measles immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…
- Disorders, lymphoproliferative Malignant diseases of the lymphoid cells and cells from the reticuloendothelial system (which take up and…
- Medical symbol A staff or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Posthitis Inflammation of the prepuce (the foreskin of the penis). In the uncircumcised male, posthitis and balanitis…
- Splenic artery A large artery within the abdomen that arises from an arterial vessel called the celiac trunk, which emerges…
- Zygoma The part of the temporal bone of the skull that forms the prominence of the cheek. The zygoma is also known…
- Typhus, urban. of Malaya Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder…
- Bug, kissing See: Kissing bug
- Red Devils Street name for dextromethorphan (DXM)
- Genome, Saccharomyces cerevisiae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Flat affect A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat…