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).
C. elegans
Caenorhabditis elegans, a roundworm
Read the definitionRandom terms
Show more- Library of Medicine, National (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- TGF Transforming growth factor
- Rheumatoid factor Rheumatoid factor: Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a…
- Venous aneurysm A local widening and bulging (an aneurysm) of a vein. As opposed to an arterial aneurysm or a cardiac…
- Retrosternal Behind the sternum (the breastbone)
- Diachronic study A study done over the course of time. For example, a longitudinal study of children with Down syndrome…
- Unicellular Consisting of one cell only. Some organisms, such as bacteria, are unicellular. Unicellular is in contrast to…
- Alarm clock headache A relatively rare form of headache in which the patient is awakened from sleep at the same time every night…
- Sexagenarian Someone in his or her sixties. See also: Age by decade
- Drug caution codes Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Postmenopausal cervical kyphosis An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the…
- Exogenous DNA DNA originating outside an organism